Journal articles: 'Abiotic stress factors'

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Gujjar, Ranjit Singh, Moin Akhtar, and Major Singh. "Transcription factors in abiotic stress tolerance." Indian Journal of Plant Physiology 19, no. 4 (November 4, 2014): 306–16. http://dx.doi.org/10.1007/s40502-014-0121-8.

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Brini, Faiçal, and Walid Saibi. "Oxidative stress and antioxidant defense in Brassicaceae plants under abiotic stresses." SDRP Journal of Plant Science 5, no. 1 (2021): 232–44. http://dx.doi.org/10.25177/jps.5.1.ra.10694.

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Brassicaceae plants, as an important source of primary and secondary metabolites, are becoming a research model in plant science. Plants have developed different ways to ward off environmental stress factors. This is lead to the activation of various defense mechanisms resulting in a qualitative and/or quantitative change in plant metabolite production. Reactive oxygen species (ROS) is being continuously produced in cell during normal cellular processes. Under stress conditions, there are excessive production of ROS causing progressive oxidative damage and ultimately cell death. Despite their destructive activity, ROS are considered as important secondary messengers of signaling pathway that control metabolic fluxes and a variety of cellular processes. Plant response to environmental stress depends on the delicate equilibrium between ROS production, and their scavenging. This balance of ROS level is required for performing its dual role of acting as a defensive molecule in signaling pathway or a destructive molecule. Efficient scavenging of ROS produced during various environmental stresses requires the action of several non-enzymatic as well as enzymatic antioxidants present in the tissues. In this review, we describe the ROS production and its turnover and the role of ROS as messenger molecules as well as inducers of oxidative damage in Brassicaceae plants. Further, the antioxidant defense mechanisms comprising of enzymatic and non-enzymatic antioxidants have been discussed. Keywords: Abiotic stress, Antioxidant defence, Brassicaceae, Oxidative stress, ROS

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Bray, Elizabeth A. "Physiology of plants under stress: Abiotic factors." Field Crops Research 55, no. 1-2 (January 1998): 192–93. http://dx.doi.org/10.1016/s0378-4290(97)00069-5.

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Yoon, Youngdae, Deok Hyun Seo, Hoyoon Shin, Hui Jin Kim, Chul Min Kim, and Geupil Jang. "The Role of Stress-Responsive Transcription Factors in Modulating Abiotic Stress Tolerance in Plants." Agronomy 10, no. 6 (June 1, 2020): 788. http://dx.doi.org/10.3390/agronomy10060788.

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Abiotic stresses, such as drought, high temperature, and salinity, affect plant growth and productivity. Furthermore, global climate change may increase the frequency and severity of abiotic stresses, suggesting that development of varieties with improved stress tolerance is critical for future sustainable crop production. Improving stress tolerance requires a detailed understanding of the hormone signaling and transcriptional pathways involved in stress responses. Abscisic acid (ABA) and jasmonic acid (JA) are key stress-response hormones in plants, and some stress-responsive transcription factors such as ABFs and MYCs function as direct components of ABA and JA signaling, playing a pivotal role in plant tolerance to abiotic stress. In addition, extensive studies have identified other stress-responsive transcription factors belonging to the NAC, AP2/ERF, MYB, and WRKY families that mediate plant response and tolerance to abiotic stress. These suggest that transcriptional regulation of stress-responsive genes is an essential step to determine the mechanisms underlying plant stress responses and tolerance to abiotic stress, and that these transcription factors may be important targets for development of crops with enhanced abiotic stress tolerance. In this review, we briefly describe the mechanisms underlying plant abiotic stress responses, focusing on ABA and JA metabolism and signaling pathways. We then summarize the diverse array of transcription factors involved in plant responses to abiotic stress, while noting their potential applications for improvement of stress tolerance.

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Tran, Lam-Son Phan, and Keiichi Mochida. "Identification and prediction of abiotic stress responsive transcription factors involved in abiotic stress signaling in soybean." Plant Signaling & Behavior 5, no. 3 (March 2010): 255–57. http://dx.doi.org/10.4161/psb.5.3.10550.

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Nakashima, Kazuo, Hironori Takasaki, Junya Mizoi, Kazuo Shinozaki, and Kazuko Yamaguchi-Shinozaki. "NAC transcription factors in plant abiotic stress responses." Biochimica et Biophysica Acta (BBA) - Gene Regulatory Mechanisms 1819, no. 2 (February 2012): 97–103. http://dx.doi.org/10.1016/j.bbagrm.2011.10.005.

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Schmidt-Heydt, Markus, Naresh Magan, and Rolf Geisen. "Stress induction of mycotoxin biosynthesis genes by abiotic factors." FEMS Microbiology Letters 284, no. 2 (July 2008): 142–49. http://dx.doi.org/10.1111/j.1574-6968.2008.01182.x.

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Li, Chaonan, Carl K. Y. Ng, and Liu-Min Fan. "MYB transcription factors, active players in abiotic stress signaling." Environmental and Experimental Botany 114 (June 2015): 80–91. http://dx.doi.org/10.1016/j.envexpbot.2014.06.014.

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Li, Weixing, Siyu Pang, Zhaogeng Lu, and Biao Jin. "Function and Mechanism of WRKY Transcription Factors in Abiotic Stress Responses of Plants." Plants 9, no. 11 (November 8, 2020): 1515. http://dx.doi.org/10.3390/plants9111515.

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The WRKY gene family is a plant-specific transcription factor (TF) group, playing important roles in many different response pathways of diverse abiotic stresses (drought, saline, alkali, temperature, and ultraviolet radiation, and so forth). In recent years, many studies have explored the role and mechanism of WRKY family members from model plants to agricultural crops and other species. Abiotic stress adversely affects the growth and development of plants. Thus, a review of WRKY with stress responses is important to increase our understanding of abiotic stress responses in plants. Here, we summarize the structural characteristics and regulatory mechanism of WRKY transcription factors and their responses to abiotic stress. We also discuss current issues and future perspectives of WRKY transcription factor research.

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Yermukhambetova, R. Zh, A. Zh Dogabayev, A. A. Bari, and Zh K. Masalimov. "Oxidative stress response in plants to combined abiotic and biotic stress factors." BULLETIN of the L.N. Gumilyov Eurasian National University. BIOSCIENCE Series 122, no. 1 (2018): 48–53. http://dx.doi.org/10.32523/2616-7034-2018-122-1-48-53.

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Radulovic, Zlatan, Dragan Karadzic, Ivan Milenkovic, Aleksandar Lucic, Ljubinko Rakonjac, Zoran Miletic, and Radojica Pizurica. "Declining of forests - biotic and abiotic stress." Bulletin of the Faculty of Forestry, suppl. (2014): 71–88. http://dx.doi.org/10.2298/gsf14s1071r.

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During the last several years, a significant decline of different forests in Serbia was recorded. The decline is more widespread in conifer stands, but occurence of decline was recorded in broadleaved forest stands as well. These declines are the result of abiotic, biotic and anthropogenic factors. According to the studies performed so far in Serbia, the predisposing factor were droughts during the 2012 and 2013 vegetation periods that caused physiological weakness of the trees. Among the biotic factors, the most important are fungi (mainly root rot, but rot fungi, and needle diseases) and insects (bark beetles in conifer species) and defoliators in broadleaved species).

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Shameer, K., S. Ambika, Susan Mary Varghese, N. Karaba, M. Udayakumar, and R. Sowdhamini. "STIFDB—Arabidopsis Stress Responsive Transcription Factor DataBase." International Journal of Plant Genomics 2009 (October 18, 2009): 1–8. http://dx.doi.org/10.1155/2009/583429.

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Elucidating the key players of molecular mechanism that mediate the complex stress-responses in plants system is an important step to develop improved variety of stress tolerant crops. Understanding the effects of different types of biotic and abiotic stress is a rapidly emerging domain in the area of plant research to develop better, stress tolerant plants. Information about the transcription factors, transcription factor binding sites, function annotation of proteins coded by genes expressed during abiotic stress (for example: drought, cold, salinity, excess light, abscisic acid, and oxidative stress) response will provide better understanding of this phenomenon. STIFDB is a database of abiotic stress responsive genes and their predicted abiotic transcription factor binding sites in Arabidopsis thaliana. We integrated 2269 genes upregulated in different stress related microarray experiments and surveyed their 1000 bp and 100 bp upstream regions and 5′UTR regions using the STIF algorithm and identified putative abiotic stress responsive transcription factor binding sites, which are compiled in the STIFDB database. STIFDB provides extensive information about various stress responsive genes and stress inducible transcription factors of Arabidopsis thaliana. STIFDB will be a useful resource for researchers to understand the abiotic stress regulome and transcriptome of this important model plant system.

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Miryeganeh, Matin. "Plants’ Epigenetic Mechanisms and Abiotic Stress." Genes 12, no. 8 (July 21, 2021): 1106. http://dx.doi.org/10.3390/genes12081106.

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Plants are sessile organisms that need to adapt to constantly changing environmental conditions. Unpredictable climate change places plants under a variety of abiotic stresses. Studying the regulation of stress-responsive genes can help to understand plants’ ability to adapt to fluctuating environmental conditions. Changes in epigenetic marks such as histone modifications and DNA methylation are known to regulate gene expression by their dynamic variation in response to stimuli. This can then affect their phenotypic plasticity, which helps with the adaptation of plants to adverse conditions. Epigenetic marks may also provide a mechanistic basis for stress memory, which enables plants to respond more effectively and efficiently to recurring stress and prepare offspring for potential future stresses. Studying epigenetic changes in addition to genetic factors is important to better understand the molecular mechanisms underlying plant stress responses. This review summarizes the epigenetic mechanisms behind plant responses to some main abiotic stresses.

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Wang, Xiaopei, Yanli Niu, and Yuan Zheng. "Multiple Functions of MYB Transcription Factors in Abiotic Stress Responses." International Journal of Molecular Sciences 22, no. 11 (June 7, 2021): 6125. http://dx.doi.org/10.3390/ijms22116125.

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Plants face a more volatile environment than other organisms because of their immobility, and they have developed highly efficient mechanisms to adapt to stress conditions. Transcription factors, as an important part of the adaptation process, are activated by different signals and are responsible for the expression of stress-responsive genes. MYB transcription factors, as one of the most widespread transcription factor families in plants, participate in plant development and responses to stresses by combining with MYB cis-elements in promoters of target genes. MYB transcription factors have been extensively studied and have proven to be critical in the biosynthesis of secondary metabolites in plants, including anthocyanins, flavonols, and lignin. Multiple studies have now shown that MYB proteins play diverse roles in the responses to abiotic stresses, such as drought, salt, and cold stresses. However, the regulatory mechanism of MYB proteins in abiotic stresses is still not well understood. In this review, we will focus mainly on the function of Arabidopsis MYB transcription factors in abiotic stresses, especially how MYB proteins participate in these stress responses. We also pay attention to how the MYB proteins are regulated in these processes at both the transcript and protein levels.

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Hinojosa, Leonardo, Juan González, Felipe Barrios-Masias, Francisco Fuentes, and Kevin Murphy. "Quinoa Abiotic Stress Responses: A Review." Plants 7, no. 4 (November 29, 2018): 106. http://dx.doi.org/10.3390/plants7040106.

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Quinoa (Chenopodium quinoa Willd.) is a genetically diverse Andean crop that has earned special attention worldwide due to its nutritional and health benefits and its ability to adapt to contrasting environments, including nutrient-poor and saline soils and drought stressed marginal agroecosystems. Drought and salinity are the abiotic stresses most studied in quinoa; however, studies of other important stress factors, such as heat, cold, heavy metals, and UV-B light irradiance, are severely limited. In the last few decades, the incidence of abiotic stress has been accentuated by the increase in unpredictable weather patterns. Furthermore, stresses habitually occur as combinations of two or more. The goals of this review are to: (1) provide an in-depth description of the existing knowledge of quinoa’s tolerance to different abiotic stressors; (2) summarize quinoa’s physiological responses to these stressors; and (3) describe novel advances in molecular tools that can aid our understanding of the mechanisms underlying quinoa’s abiotic stress tolerance.

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Dimitrova, S., D. Sotirov, and M. Liu. "Reaction of apple cultivars to abiotic and biotic stress factors." Acta Horticulturae, no. 1281 (June 2020): 67–72. http://dx.doi.org/10.17660/actahortic.2020.1281.11.

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Mizoi, Junya, Kazuo Shinozaki, and Kazuko Yamaguchi-Shinozaki. "AP2/ERF family transcription factors in plant abiotic stress responses." Biochimica et Biophysica Acta (BBA) - Gene Regulatory Mechanisms 1819, no. 2 (February 2012): 86–96. http://dx.doi.org/10.1016/j.bbagrm.2011.08.004.

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Abdul Rahman, Nur Sabrina Natasha, Nur Wahida Abdul Hamid, and Kalaivani Nadarajah. "Effects of Abiotic Stress on Soil Microbiome." International Journal of Molecular Sciences 22, no. 16 (August 21, 2021): 9036. http://dx.doi.org/10.3390/ijms22169036.

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Rhizospheric organisms have a unique manner of existence since many factors can influence the shape of the microbiome. As we all know, harnessing the interaction between soil microbes and plants is critical for sustainable agriculture and ecosystems. We can achieve sustainable agricultural practice by incorporating plant-microbiome interaction as a positive technology. The contribution of this interaction has piqued the interest of experts, who plan to do more research using beneficial microorganism in order to accomplish this vision. Plants engage in a wide range of interrelationship with soil microorganism, spanning the entire spectrum of ecological potential which can be mutualistic, commensal, neutral, exploitative, or competitive. Mutualistic microorganism found in plant-associated microbial communities assist their host in a number of ways. Many studies have demonstrated that the soil microbiome may provide significant advantages to the host plant. However, various soil conditions (pH, temperature, oxygen, physics-chemistry and moisture), soil environments (drought, submergence, metal toxicity and salinity), plant types/genotype, and agricultural practices may result in distinct microbial composition and characteristics, as well as its mechanism to promote plant development and defence against all these stressors. In this paper, we provide an in-depth overview of how the above factors are able to affect the soil microbial structure and communities and change above and below ground interactions. Future prospects will also be discussed.

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Kimotho, Roy Njoroge, Elamin Hafiz Baillo, and Zhengbin Zhang. "Transcription factors involved in abiotic stress responses in Maize (Zea mays L.) and their roles in enhanced productivity in the post genomics era." PeerJ 7 (July 8, 2019): e7211. http://dx.doi.org/10.7717/peerj.7211.

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Background Maize (Zea mays L.) is a principal cereal crop cultivated worldwide for human food, animal feed, and more recently as a source of biofuel. However, as a direct consequence of water insufficiency and climate change, frequent occurrences of both biotic and abiotic stresses have been reported in various regions around the world, and recently, this has become a constant threat in increasing global maize yields. Plants respond to abiotic stresses by utilizing the activities of transcription factors (TFs), which are families of genes coding for specific TF proteins. TF target genes form a regulon that is involved in the repression/activation of genes associated with abiotic stress responses. Therefore, it is of utmost importance to have a systematic study on each TF family, the downstream target genes they regulate, and the specific TF genes involved in multiple abiotic stress responses in maize and other staple crops. Method In this review, the main TF families, the specific TF genes and their regulons that are involved in abiotic stress regulation will be briefly discussed. Great emphasis will be given on maize abiotic stress improvement throughout this review, although other examples from different plants like rice, Arabidopsis, wheat, and barley will be used. Results We have described in detail the main TF families in maize that take part in abiotic stress responses together with their regulons. Furthermore, we have also briefly described the utilization of high-efficiency technologies in the study and characterization of TFs involved in the abiotic stress regulatory networks in plants with an emphasis on increasing maize production. Examples of these technologies include next-generation sequencing, microarray analysis, machine learning, and RNA-Seq. Conclusion In conclusion, it is expected that all the information provided in this review will in time contribute to the use of TF genes in the research, breeding, and development of new abiotic stress tolerant maize cultivars.

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Zaikina, Evgeniya A., Sergey D. Rumyantsev, Elena R. Sarvarova, and Bulat R. Kuluev. "Transcription factor genes involved in plant response to abiotic stress factors." Ecological genetics 17, no. 3 (September 26, 2019): 47–58. http://dx.doi.org/10.17816/ecogen17347-58.

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Hypothermia, drought, salinity and heavy metals are the most widespread stress factors negatively affecting plant growth and development. Plants respond to these stress factors on molecular, cellular, and physiological levels through the complicated mechanisms of signal perception and transduction, subsequently inducing various defense mechanisms. Transcription factors controlling the expression of numerous defense proteins are the most significant abiotic stress reaction regulators. Mainly, the negative environmental influence activates the AP2/ERF, WRKY, MYB, NAC, bZIP transcription factors. The numerous transcription factors genes can be used in genetic engineering of agricultural crops resistant to abiotic stress. These genes are also of great interest in marker assisted selection of cultivated plants. This review is dedicated to description of transcription factors and their genes, involved in plant response to hypothermia, drought, salinity and heavy metals.

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Habib, Sidra, Yee Yee Lwin, and Ning Li. "Down-Regulation of SlGRAS10 in Tomato Confers Abiotic Stress Tolerance." Genes 12, no. 5 (April 22, 2021): 623. http://dx.doi.org/10.3390/genes12050623.

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Adverse environmental factors like salt stress, drought, and extreme temperatures, cause damage to plant growth, development, and crop yield. GRAS transcription factors (TFs) have numerous functions in biological processes. Some studies have reported that the GRAS protein family plays significant functions in plant growth and development under abiotic stresses. In this study, we demonstrated the functional characterization of a tomato SlGRAS10 gene under abiotic stresses such as salt stress and drought. Down-regulation of SlGRAS10 by RNA interference (RNAi) produced dwarf plants with smaller leaves, internode lengths, and enhanced flavonoid accumulation. We studied the effects of abiotic stresses on RNAi and wild-type (WT) plants. Moreover, SlGRAS10-RNAi plants were more tolerant to abiotic stresses (salt, drought, and Abscisic acid) than the WT plants. Down-regulation of SlGRAS10 significantly enhanced the expressions of catalase (CAT), peroxidase (POD), and superoxide dismutase (SOD) to reduce the effects of reactive oxygen species (ROS) such as O2− and H2O2. Malondialdehyde (MDA) and proline contents were remarkably high in SlGRAS10-RNAi plants. Furthermore, the expression levels of chlorophyll biosynthesis, flavonoid biosynthesis, and stress-related genes were also enhanced under abiotic stress conditions. Collectively, our conclusions emphasized the significant function of SlGRAS10 as a stress tolerate transcription factor in a certain variety of abiotic stress tolerance by enhancing osmotic potential, flavonoid biosynthesis, and ROS scavenging system in the tomato plant.

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Böndel, Katharina B., Tetyana Nosenko, and Wolfgang Stephan. "Signatures of natural selection in abiotic stress-responsive genes of Solanum chilense." Royal Society Open Science 5, no. 1 (January 2018): 171198. http://dx.doi.org/10.1098/rsos.171198.

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Environmental conditions are strong selective forces, which may influence adaptation and speciation. The wild tomato species Solanum chilense , native to South America, is exposed to a range of abiotic stress factors. To identify signatures of natural selection and local adaptation, we analysed 16 genes involved in the abiotic stress response and compared the results to a set of reference genes in 23 populations across the entire species range. The abiotic stress-responsive genes are characterized by elevated nonsynonymous nucleotide diversity and divergence. We detected signatures of positive selection in several abiotic stress-responsive genes on both the population and species levels. Local adaptation to abiotic stresses is particularly apparent at the boundary of the species distribution in populations from coastal low-altitude and mountainous high-altitude regions.

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Andreotti, Carlo. "Management of Abiotic Stress in Horticultural Crops: Spotlight on Biostimulants." Agronomy 10, no. 10 (October 5, 2020): 1514. http://dx.doi.org/10.3390/agronomy10101514.

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Horticultural crops are currently exposed to multiple abiotic stresses because of ongoing climate change. Abiotic stresses such as drought, extreme temperatures, salinity, and nutrient deficiencies are causing increasing losses in terms of yield and product quality. The horticultural sector is therefore searching for innovative and sustainable agronomic tools to enhance crop tolerance towards these unfavorable conditions. In a recent review published in Agronomy, “Biostimulants Application in Horticultural Crops under Abiotic Stress Conditions”, Bulgari and colleagues discussed the main pieces of evidence of the use of biostimulants to manage abiotic stresses in vegetable crops. The intent of this editorial was to focus the attention on aspects related to the stress development in plants (i.e., timing and occurrence of multiple stress factors), in combination with the application of biostimulants. The large number of factors potentially involved in the enhancement of crop tolerance toward stress calls for an intensification of research activities, especially when conducted in field conditions and with well-defined protocols. This must be seen as a mandatory task for a successful implementation of biostimulant products among the available agronomic tools for the management of abiotic stresses in horticultural crops.

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Punzo, Paola, Stefania Grillo, and Giorgia Batelli. "Alternative splicing in plant abiotic stress responses." Biochemical Society Transactions 48, no. 5 (September 1, 2020): 2117–26. http://dx.doi.org/10.1042/bst20200281.

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Modifications of the cellular proteome pool upon stress allow plants to tolerate environmental changes. Alternative splicing is the most significant mechanism responsible for the production of multiple protein isoforms from a single gene. The spliceosome, a large ribonucleoprotein complex, together with several associated proteins, controls this pre-mRNA processing, adding an additional level of regulation to gene expression. Deep sequencing of transcriptomes revealed that this co- or post-transcriptional mechanism is highly induced by abiotic stress, and concerns vast numbers of stress-related genes. Confirming the importance of splicing in plant stress adaptation, key players of stress signaling have been shown to encode alternative transcripts, whereas mutants lacking splicing factors or associated components show a modified sensitivity and defective responses to abiotic stress. Here, we examine recent literature on alternative splicing and splicing alterations in response to environmental stresses, focusing on its role in stress adaptation and analyzing the future perspectives and directions for research.

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Venzhik, Yu V., S. Yu Shchyogolev, and L. A. Dykman. "Ultrastructural Reorganization of Chloroplasts during Plant Adaptation to Abiotic Stress Factors." Russian Journal of Plant Physiology 66, no. 6 (November 2019): 850–63. http://dx.doi.org/10.1134/s102144371906013x.

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Dubrovna, O. V. "IN VITRO SELECTION OF WHEAT FOR RESISTANCE TO ABIOTIC STRESS FACTORS." Fiziologia rastenij i genetika 49, no. 4 (August 2017): 279–92. http://dx.doi.org/10.15407/frg2017.04.279.

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Guo, Jianrong, Baixue Sun, Huanrong He, Yifan Zhang, Huaying Tian, and Baoshan Wang. "Current Understanding of bHLH Transcription Factors in Plant Abiotic Stress Tolerance." International Journal of Molecular Sciences 22, no. 9 (May 6, 2021): 4921. http://dx.doi.org/10.3390/ijms22094921.

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Named for the characteristic basic helix-loop-helix (bHLH) region in their protein structure, bHLH proteins are a widespread transcription factor class in eukaryotes. bHLHs transcriptionally regulate their target genes by binding to specific positions on their promoters and thereby direct a variety of plant developmental and metabolic processes, such as photomorphogenesis, flowering induction, shade avoidance, and secondary metabolite biosynthesis, which are important for promoting plant tolerance or adaptation to adverse environments. In this review, we discuss the vital roles of bHLHs in plant responses to abiotic stresses, such as drought, salinity, cold, and iron deficiency. We suggest directions for future studies into the roles of bHLH genes in plant and discuss their potential applications in crop breeding.

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Sirén, Alexej P. K., Christopher S. Sutherland, Christopher A. Bernier, Kimberly J. Royar, Jillian R. Kilborn, Catherine B. Callahan, Rachel M. Cliché, Leighlan S. Prout, and Toni Lyn Morelli. "Abiotic stress and biotic factors mediate range dynamics on opposing edges." Journal of Biogeography 48, no. 7 (April 5, 2021): 1758–72. http://dx.doi.org/10.1111/jbi.14112.

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Atif, Shahid, Waqas, Ali, Rashid, Azeem, Nawaz, Wani, and Chung. "Insights on Calcium-Dependent Protein Kinases (CPKs) Signaling for Abiotic Stress Tolerance in Plants." International Journal of Molecular Sciences 20, no. 21 (October 24, 2019): 5298. http://dx.doi.org/10.3390/ijms20215298.

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Abiotic stresses are the major limiting factors influencing the growth and productivity of plants species. To combat these stresses, plants can modify numerous physiological, biochemical, and molecular processes through cellular and subcellular signaling pathways. Calcium-dependent protein kinases (CDPKs or CPKs) are the unique and key calcium-binding proteins, which act as a sensor for the increase and decrease in the calcium (Ca) concentrations. These Ca flux signals are decrypted and interpreted into the phosphorylation events, which are crucial for signal transduction processes. Several functional and expression studies of different CPKs and their encoding genes validated their versatile role for abiotic stress tolerance in plants. CPKs are indispensable for modulating abiotic stress tolerance through activation and regulation of several genes, transcription factors, enzymes, and ion channels. CPKs have been involved in supporting plant adaptation under drought, salinity, and heat and cold stress environments. Diverse functions of plant CPKs have been reported against various abiotic stresses in numerous research studies. In this review, we have described the evaluated functions of plant CPKs against various abiotic stresses and their role in stress response signaling pathways.

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Tovuu, Altanzaya, Bolortsetseg Jigmeddorj, and Tumenjargal Dagvanamdal. "Abiotic stress responses in Stipa sibirica (L.)." Mongolian Journal of Agricultural Sciences 15, no. 2 (September 30, 2015): 118–22. http://dx.doi.org/10.5564/mjas.v15i2.557.

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Stipa sibirica (L) is one of important perennial grass species which belong to genus of Stipa, and family of Poaceae. It has early growth in spring and good quality for animal productivity and good adaptability in vast range of sever conditions in all over the country. Temperature and drought stress are among the two most important environmental factors influencing crop growth, development and yield processes. This study compares three stresses which as cold, drought and saline conditions. In vitro stress assays are commonly used to study the responses of plants to abiotic stress and to assess stress tolerance. Exposure of plants to a drought stress for 10 days significantly decreased the photochemical efficiency of PSII and the Fv/Fm values were almost 50% lower (0.41±0.01) compared with the control plants (0.81±0.01).During cold stress after21 days Fv/Fm decreased to 0.40 ± 0.03. The results of this study demonstrated that Stipa sibirica (L) plants were better adapted to cold conditions than the drought conditionsJournal of agricultural sciences №15 (02): 118-122, 2015

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Zagorchev, Lyuben, Wolfgang Stöggl, Denitsa Teofanova, Junmin Li, and Ilse Kranner. "Plant Parasites under Pressure: Effects of Abiotic Stress on the Interactions between Parasitic Plants and Their Hosts." International Journal of Molecular Sciences 22, no. 14 (July 10, 2021): 7418. http://dx.doi.org/10.3390/ijms22147418.

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Parasitic angiosperms, comprising a diverse group of flowering plants, are partially or fully dependent on their hosts to acquire water, mineral nutrients and organic compounds. Some have detrimental effects on agriculturally important crop plants. They are also intriguing model systems to study adaptive mechanisms required for the transition from an autotrophic to a heterotrophic metabolism. No less than any other plant, parasitic plants are affected by abiotic stress factors such as drought and changes in temperature, saline soils or contamination with metals or herbicides. These effects may be attributed to the direct influence of the stress, but also to diminished host availability and suitability. Although several studies on abiotic stress response of parasitic plants are available, still little is known about how abiotic factors affect host preferences, defense mechanisms of both hosts and parasites and the effects of combinations of abiotic and biotic stress experienced by the host plants. The latter effects are of specific interest as parasitic plants pose additional pressure on contemporary agriculture in times of climate change. This review summarizes the existing literature on abiotic stress response of parasitic plants, highlighting knowledge gaps and discussing perspectives for future research and potential agricultural applications.

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Shareef, Hussein J., Gholamreza Abdi, and Shah Fahad. "Change in photosynthetic pigments of Date palm offshoots under abiotic stress factors." Folia Oecologica 47, no. 1 (April 1, 2020): 45–51. http://dx.doi.org/10.2478/foecol-2020-0006.

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AbstractIncreasing world temperatures are bringing about climate changes creating abiotic stress in plants. Date palm offshoot leaves (Khadrawi cv.) were analyzed for chlorophyll Chl a, Chl b, Total Chl, Chl a/b ratio, anthocyanin and carotenoid subject to salinity, drought and temperature stress under field conditions. Results demonstrated that drought and salinity stress accompanied by high temperatures in July and August significantly reduced the Chl a, Chl b, and Total Chl relative to the control. Anthocyanins, carotenoids, hydrogen peroxide, and malondialdehyde were markedly higher in July and August (45 ºC), whereas September showed lower values in these substances. Temperature reduction to 35 °C accompanied by drought or salinity stress, brought about a critical increment in relative water content and a decrease in electrolyte leakage. Although the impact of drought and salinity stress continued, the reduced temperatures in September resulted in a reduction of abscisic acid and proline concentration. Cluster analysis showed the two groups. In this first group, the significant similarity between the treatments is illustrated by the influence of the high temperature of 43–45 ºC. Recovery of photosynthesis following low-temperature, for the most part, determines plant flexibility to water deficiencies and salinity. Thermal stress, associated with salinity or drought stress is more damaging to the photosynthetic pigments than any single factor.

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Boulc’h, Pierre-Nicolas, Emma Caullireau, Elvina Faucher, Maverick Gouerou, Amandine Guérin, Romane Miray, and Ivan Couée. "Abiotic stress signalling in extremophile land plants." Journal of Experimental Botany 71, no. 19 (July 21, 2020): 5771–85. http://dx.doi.org/10.1093/jxb/eraa336.

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Abstract Plant life relies on complex arrays of environmental stress sensing and signalling mechanisms. Extremophile plants develop and grow in harsh environments with extremes of cold, heat, drought, desiccation, or salinity, which have resulted in original adaptations. In accordance with their polyphyletic origins, extremophile plants likely possess core mechanisms of plant abiotic stress signalling. However, novel properties or regulations may have emerged in the context of extremophile adaptations. Comparative omics of extremophile genetic models, such as Arabidopsis lyrata, Craterostigma plantagineum, Eutrema salsugineum, and Physcomitrella patens, reveal diverse strategies of sensing and signalling that lead to a general improvement in abiotic stress responses. Current research points to putative differences of sensing and emphasizes significant modifications of regulatory mechanisms, at the level of secondary messengers (Ca2+, phospholipids, reactive oxygen species), signal transduction (intracellular sensors, protein kinases, transcription factors, ubiquitin-mediated proteolysis) or signalling crosstalk. Involvement of hormone signalling, especially ABA signalling, cell homeostasis surveillance, and epigenetic mechanisms, also shows that large-scale gene regulation, whole-plant integration, and probably stress memory are important features of adaptation to extreme conditions. This evolutionary and functional plasticity of signalling systems in extremophile plants may have important implications for plant biotechnology, crop improvement, and ecological risk assessment under conditions of climate change.

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Rensink, Willem, Amy Hart, Jia Liu, Shu Ouyang, Victoria Zismann, and C. Robin Buell. "Analyzing the potato abiotic stress transcriptome using expressed sequence tags." Genome 48, no. 4 (August 1, 2005): 598–605. http://dx.doi.org/10.1139/g05-034.

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To further increase our understanding of responses in potato to abiotic stress and the potato transcriptome in general, we generated 20 756 expressed sequence tags (ESTs) from a cDNA library constructed by pooling mRNA from heat-, cold-, salt-, and drought-stressed potato leaves and roots. These ESTs were clustered and assembled into a collection of 5240 unique sequences with 3344 contigs and 1896 singleton ESTs. Assignment of gene ontology terms (GOSlim/Plant) to the sequences revealed that 8101 assignments could be made with a total of 3863 molecular function assignments. Alignment to a set of 78 825 ESTs from other potato cDNA libraries derived from root, leaf, stolon, tuber, germinating eye, and callus tissues revealed 1476 sequences unique to abiotic stressed potato leaf and root tissue. Sequences present within the 5240 sequence set had similarity to genes known to be involved in abiotic stress responses in other plant species such as transcription factors, stress response genes, and signal transduction processes. In addition, we identified a number of genes unique to the abiotic stress library with unknown function, providing new candidate genes for investigation of abiotic stress responses in potato.Key words: potato, Solanacaeae, abiotic stress.

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Banerjee, Aditya, and Aryadeep Roychoudhury. "WRKY Proteins: Signaling and Regulation of Expression during Abiotic Stress Responses." Scientific World Journal 2015 (2015): 1–17. http://dx.doi.org/10.1155/2015/807560.

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WRKY proteins are emerging players in plant signaling and have been thoroughly reported to play important roles in plants under biotic stress like pathogen attack. However, recent advances in this field do reveal the enormous significance of these proteins in eliciting responses induced by abiotic stresses. WRKY proteins act as major transcription factors, either as positive or negative regulators. Specific WRKY factors which help in the expression of a cluster of stress-responsive genes are being targeted and genetically modified to induce improved abiotic stress tolerance in plants. The knowledge regarding the signaling cascade leading to the activation of the WRKY proteins, their interaction with other proteins of the signaling pathway, and the downstream genes activated by them are altogether vital for justified targeting of theWRKYgenes. WRKY proteins have also been considered to generate tolerance against multiple abiotic stresses with possible roles in mediating a cross talk between abiotic and biotic stress responses. In this review, we have reckoned the diverse signaling pattern and biological functions of WRKY proteins throughout the plant kingdom along with the growing prospects in this field of research.

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Akpınar, Bala Anı, Stuart J. Lucas, and Hikmet Budak. "Genomics Approaches for Crop Improvement against Abiotic Stress." Scientific World Journal 2013 (2013): 1–9. http://dx.doi.org/10.1155/2013/361921.

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As sessile organisms, plants are inevitably exposed to one or a combination of stress factors every now and then throughout their growth and development. Stress responses vary considerably even in the same plant species; stress-susceptible genotypes are at one extreme, and stress-tolerant ones are at the other. Elucidation of the stress responses of crop plants is of extreme relevance, considering the central role of crops in food and biofuel production. Crop improvement has been a traditional issue to increase yields and enhance stress tolerance; however, crop improvement against abiotic stresses has been particularly compelling, given the complex nature of these stresses. As traditional strategies for crop improvement approach their limits, the era of genomics research has arisen with new and promising perspectives in breeding improved varieties against abiotic stresses.

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Li, Hui, Wei Huang, Zhi-Wei Liu, Yong-Xin Wang, and Jing Zhuang. "Transcriptome-Based Analysis of Dof Family Transcription Factors and Their Responses to Abiotic Stress in Tea Plant (Camellia sinensis)." International Journal of Genomics 2016 (2016): 1–15. http://dx.doi.org/10.1155/2016/5614142.

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Tea plant (Camellia sinensis (L.) O. Kuntze) is affected by abiotic stress during its growth and development. DNA-binding with one finger (Dof) transcription factors (TFs) play important roles in abiotic stress tolerance of plants. In this study, a total of 29 putative Dof TFs were identified based on transcriptome of tea plant, and the conserved domains and common motifs of these CsDof TFs were predicted and analyzed. The 29 CsDof proteins were divided into 7 groups (A, B1, B2, C1, C2.1, C2.2, and D2), and the interaction networks of Dof proteins in C. sinensis were established according to the data in Arabidopsis. Gene expression was analyzed in “Yingshuang” and “Huangjinya” under four experimental stresses by qRT-PCR. CsDof genes were expressed differentially and related to different abiotic stress conditions. In total, our results might suggest that there is a potential relationship between CsDof factors and tea plant stress resistance.

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Odukoya, Johnson, Ronnie Lambert, and Ruben Sakrabani. "Understanding the Impacts of Crude Oil and its Induced Abiotic Stresses on Agrifood Production: A Review." Horticulturae 5, no. 2 (June 23, 2019): 47. http://dx.doi.org/10.3390/horticulturae5020047.

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In many parts of the world, the agricultural sector is faced with a number of challenges including those arising from abiotic environmental stresses which are the key factors responsible for most reductions in agrifood production. Crude oil contamination, an abiotic stress factor and a common environmental contaminant, at toxic levels has negative impacts on plants. Although various attempts have been made to demonstrate the impact of abiotic stresses on crops, the underlying factors responsible for the effects of crude oil and its induced abiotic stresses on the composition of the stressed plants are poorly understood. Hence, this review provides an in-depth examination of the: (1) effect of petroleum hydrocarbons on plants; (2) impact of abiotic environmental stresses on crop quality; (3) mechanistic link between crude oil stress and its induced abiotic stresses; as well as (4) mode of action/plant response mechanism to these induced stresses. The paper clearly reveals the implications of crude oil-induced abiotic stresses arising from the soil-root-plant route and from direct application on plant leaves.

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Yu, Zhengyang, Xin Wang, and Linsheng Zhang. "Structural and Functional Dynamics of Dehydrins: A Plant Protector Protein under Abiotic Stress." International Journal of Molecular Sciences 19, no. 11 (October 31, 2018): 3420. http://dx.doi.org/10.3390/ijms19113420.

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Abiotic stress affects the growth and development of crops tremendously, worldwide. To avoid adverse environmental effects, plants have evolved various efficient mechanisms to respond and adapt to harsh environmental factors. Stress conditions are associated with coordinated changes in gene expressions at a transcriptional level. Dehydrins have been extensively studied as protectors in plant cells, owing to their vital roles in sustaining the integrity of membranes and lactate dehydrogenase (LDH). Dehydrins are highly hydrophilic and thermostable intrinsically disordered proteins (IDPs), with at least one Lys-rich K-segment. Many dehydrins are induced by multiple stress factors, such as drought, salt, extreme temperatures, etc. This article reviews the role of dehydrins under abiotic stress, regulatory networks of dehydrin genes, and the physiological functions of dehydrins. Advances in our understanding of dehydrin structures, gene regulation and their close relationships with abiotic stresses demonstrates their remarkable ability to enhance stress tolerance in plants.

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Khan, Sara, Raheela Jabeen, Farah Deeba, Ummara Waheed, Plosha Khanum, and Nadia Iqbal. "Heat Shock Proteins: Classification, Functions and Expressions in Plants during Environmental Stresses." Journal of Bioresource Management 8, no. 2 (May 26, 2021): 85–97. http://dx.doi.org/10.35691/jbm.1202.0183.

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Heat shock proteins assist in folding proteins that is a basic cellular constituent responsible for various crucial functions including protein assembly, transportation, folding in normal conditions and denaturation of proteins in stress and in other cellular function. Abiotic factors like increased temperature, drought and salinity negatively affect reproduction and survival of plants. Plants (HSPs), as chaperones, have crucial part in conversing biotic and abiotic stress tolerance. Plants react towards critical changes through biochemical, growth, and physiological mechanisms included expression of stress-reactive proteins, which are regulated by interconnected signaling cascades of transcription factors including heat stress TFs.

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Zhang, Man, Yanhui Liu, Hanyang Cai, Mingliang Guo, Mengnan Chai, Zeyuan She, Li Ye, Yan Cheng, Bingrui Wang, and Yuan Qin. "The bZIP Transcription Factor GmbZIP15 Negatively Regulates Salt- and Drought-Stress Responses in Soybean." International Journal of Molecular Sciences 21, no. 20 (October 21, 2020): 7778. http://dx.doi.org/10.3390/ijms21207778.

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Soybean (Glycine max), as an important oilseed crop, is constantly threatened by abiotic stress, including that caused by salinity and drought. bZIP transcription factors (TFs) are one of the largest TF families and have been shown to be associated with various environmental-stress tolerances among species; however, their function in abiotic-stress response in soybean remains poorly understood. Here, we characterized the roles of soybean transcription factor GmbZIP15 in response to abiotic stresses. The transcript level of GmbZIP15 was suppressed under salt- and drought-stress conditions. Overexpression of GmbZIP15 in soybean resulted in hypersensitivity to abiotic stress compared with wild-type (WT) plants, which was associated with lower transcript levels of stress-responsive genes involved in both abscisic acid (ABA)-dependent and ABA-independent pathways, defective stomatal aperture regulation, and reduced antioxidant enzyme activities. Furthermore, plants expressing a functional repressor form of GmbZIP15 exhibited drought-stress resistance similar to WT. RNA-seq and qRT-PCR analyses revealed that GmbZIP15 positively regulates GmSAHH1 expression and negatively regulates GmWRKY12 and GmABF1 expression in response to abiotic stress. Overall, these data indicate that GmbZIP15 functions as a negative regulator in response to salt and drought stresses.

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Billah, Masum, Shirin Aktar, Marian Brestic, Marek Zivcak, Abul Bashar Mohammad Khaldun, Md Shalim Uddin, Shamim Ara Bagum, et al. "Progressive Genomic Approaches to Explore Drought- and Salt-Induced Oxidative Stress Responses in Plants under Changing Climate." Plants 10, no. 9 (September 14, 2021): 1910. http://dx.doi.org/10.3390/plants10091910.

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Drought and salinity are the major environmental abiotic stresses that negatively impact crop development and yield. To improve yields under abiotic stress conditions, drought- and salinity-tolerant crops are key to support world crop production and mitigate the demand of the growing world population. Nevertheless, plant responses to abiotic stresses are highly complex and controlled by networks of genetic and ecological factors that are the main targets of crop breeding programs. Several genomics strategies are employed to improve crop productivity under abiotic stress conditions, but traditional techniques are not sufficient to prevent stress-related losses in productivity. Within the last decade, modern genomics studies have advanced our capabilities of improving crop genetics, especially those traits relevant to abiotic stress management. This review provided updated and comprehensive knowledge concerning all possible combinations of advanced genomics tools and the gene regulatory network of reactive oxygen species homeostasis for the appropriate planning of future breeding programs, which will assist sustainable crop production under salinity and drought conditions.

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Kizis, Dimosthenis, Victoria Lumbreras, and Montserrat Pagès. "Role of AP2/EREBP transcription factors in gene regulation during abiotic stress." FEBS Letters 498, no. 2-3 (June 8, 2001): 187–89. http://dx.doi.org/10.1016/s0014-5793(01)02460-7.

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Lindemose, Søren, Charlotte O'Shea, Michael Jensen, and Karen Skriver. "Structure, Function and Networks of Transcription Factors Involved in Abiotic Stress Responses." International Journal of Molecular Sciences 14, no. 3 (March 13, 2013): 5842–78. http://dx.doi.org/10.3390/ijms14035842.

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Khan, Mohammad Sayyar. "The Role of Dreb Transcription Factors in Abiotic Stress Tolerance of Plants." Biotechnology & Biotechnological Equipment 25, no. 3 (January 2011): 2433–42. http://dx.doi.org/10.5504/bbeq.2011.0072.

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Agarwal, P. K., and B. Jha. "Transcription factors in plants and ABA dependent and independent abiotic stress signalling." Biologia plantarum 54, no. 2 (June 1, 2010): 201–12. http://dx.doi.org/10.1007/s10535-010-0038-7.

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Singh, Kamini, and Amaresh Chandra. "DREBs-potential transcription factors involve in combating abiotic stress tolerance in plants." Biologia 76, no. 10 (August 16, 2021): 3043–55. http://dx.doi.org/10.1007/s11756-021-00840-8.

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Yao, Sheng, Fan Wu, Qingqing Hao, and Kongshu Ji. "Transcriptome-Wide Identification of WRKY Transcription Factors and Their Expression Profiles under Different Types of Biological and Abiotic Stress in Pinus massoniana Lamb." Genes 11, no. 11 (November 23, 2020): 1386. http://dx.doi.org/10.3390/genes11111386.

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Pinus massoniana Lamb, an economically important conifer tree, is widely distributed in China. WRKY transcription factors (TFs) play important roles in plant growth and development, biological and abiotic stress. Nevertheless, there is little information about the WRKY genes in P. massoniana. By searching for conserved WRKY motifs in transcriptomic RNA sequencing data for P. massoniana, 31 sequences were identified as WRKY TFs. Then, phylogenetic and conserved motif analyses of the WRKY family in P. massoniana, Pinus taeda and Arabidopsis thaliana were used to classify WRKY genes. The expression patterns of six PmWRKY genes from different groups were determined using real-time quantitative PCR for 2-year-old P. massoniana seedings grown in their natural environment and challenged by phytohormones (salicylic acid, methyl jasmonate, or ethephon), abiotic stress (H2O2) and mechanical damage stress. As a result, the 31 PmWRKY genes identified were divided into three major groups and several subgroups based on structural and phylogenetic features. PmWRKY genes are regulated in response to abiotic stress and phytohormone treatment and may participate in signaling to improve plant stress resistance. Some PmWRKY genes behaved as predicted based on their homology with A. thaliana WRKY genes, but others showed divergent behavior. This systematic analysis lays the foundation for further identification of WRKY gene functions to aid further exploration of the functions and regulatory mechanisms of PmWRKY genes in biological and abiotic stress in P. massoniana.

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Pérez-Clemente, Rosa M., Vicente Vives, Sara I. Zandalinas, María F. López-Climent, Valeria Muñoz, and Aurelio Gómez-Cadenas. "Biotechnological Approaches to Study Plant Responses to Stress." BioMed Research International 2013 (2013): 1–10. http://dx.doi.org/10.1155/2013/654120.

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Multiple biotic and abiotic environmental stress factors affect negatively various aspects of plant growth, development, and crop productivity. Plants, as sessile organisms, have developed, in the course of their evolution, efficient strategies of response to avoid, tolerate, or adapt to different types of stress situations. The diverse stress factors that plants have to face often activate similar cell signaling pathways and cellular responses, such as the production of stress proteins, upregulation of the antioxidant machinery, and accumulation of compatible solutes. Over the last few decades advances in plant physiology, genetics, and molecular biology have greatly improved our understanding of plant responses to abiotic stress conditions. In this paper, recent progresses on systematic analyses of plant responses to stress including genomics, proteomics, metabolomics, and transgenic-based approaches are summarized.

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Rahman, Khussboo, Naznin Ahmed, Md Rakib Hossain Raihan, Farzana Nowroz, Faria Jannat, Mira Rahman, and Mirza Hasanuzzaman. "Jute Responses and Tolerance to Abiotic Stress: Mechanisms and Approaches." Plants 10, no. 8 (August 3, 2021): 1595. http://dx.doi.org/10.3390/plants10081595.

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Jute (Corchorus spp.) belongs to the Malvaceae family, and there are two species of jute, C. capsularis and C. olitorious. It is the second-largest natural bast fiber in the world according to production, which has diverse uses not only as a fiber but also as multiple industrial materials. Because of climate change, plants experience various stressors such as salt, drought, heat, cold, metal/metalloid toxicity, and flooding. Although jute is particularly adapted to grow in hot and humid climates, it is grown under a wide variety of climatic conditions and is relatively tolerant to some environmental adversities. However, abiotic stress often restricts its growth, yield, and quality significantly. Abiotic stress negatively affects the metabolic activities, growth, physiology, and fiber yield of jute. One of the major consequences of abiotic stress on the jute plant is the generation of reactive oxygen species, which lead to oxidative stress that damages its cellular organelles and biomolecules. However, jute’s responses to abiotic stress mainly depend on the plant’s age and type and duration of stress. Therefore, understanding the abiotic stress responses and the tolerance mechanism would help plant biologists and agronomists in developing climate-smart jute varieties and suitable cultivation packages for adverse environmental conditions. In this review, we summarized the best possible recent literature on the plant abiotic stress factors and their influence on jute plants. We described the possible approaches for stress tolerance mechanisms based on the available literature.

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Journal articles on the topic 'Abiotic stress factors'

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