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Journal articles on the topic 'Plant Embryonic Genes'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Yuan, Jianbo, Yuehui Chao, and Liebao Han. "Uncovering a Phenomenon of Active Hormone Transcriptional Regulation during Early Somatic Embryogenesis in Medicago sativa." International Journal of Molecular Sciences 23, no. 15 (2022): 8633. http://dx.doi.org/10.3390/ijms23158633.

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Somatic embryogenesis (SE) is a developmental process in which somatic cells undergo dedifferentiation to become plant stem cells, and redifferentiation to become a whole embryo. SE is a prerequisite for molecular breeding and is an excellent platform to study cell development in the majority of plant species. However, the molecular mechanism involved in M. sativa somatic embryonic induction, embryonic and maturation is unclear. This study was designed to examine the differentially expressed genes (DEGs) and miRNA roles during somatic embryonic induction, embryonic and maturation. The cut coty

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2

Hesami, Mohsen, Marco Pepe, Maxime de Ronne, et al. "Transcriptomic Profiling of Embryogenic and Non-Embryogenic Callus Provides New Insight into the Nature of Recalcitrance in Cannabis." International Journal of Molecular Sciences 24, no. 19 (2023): 14625. http://dx.doi.org/10.3390/ijms241914625.

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Differential gene expression profiles of various cannabis calli including non-embryogenic and embryogenic (i.e., rooty and embryonic callus) were examined in this study to enhance our understanding of callus development in cannabis and facilitate the development of improved strategies for plant regeneration and biotechnological applications in this economically valuable crop. A total of 6118 genes displayed significant differential expression, with 1850 genes downregulated and 1873 genes upregulated in embryogenic callus compared to non-embryogenic callus. Notably, 196 phytohormone-related gen

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3

Candela, Héctor, José Manuel Pérez-Pérez, and José Luis Micol. "Uncovering the post-embryonic functions of gametophytic- and embryonic-lethal genes." Trends in Plant Science 16, no. 6 (2011): 336–45. http://dx.doi.org/10.1016/j.tplants.2011.02.007.

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4

Fan, Yupeng, Xiaoman Yu, Huihui Guo, et al. "Dynamic Transcriptome Analysis Reveals Uncharacterized Complex Regulatory Pathway Underlying Dose IBA-Induced Embryogenic Redifferentiation in Cotton." International Journal of Molecular Sciences 21, no. 2 (2020): 426. http://dx.doi.org/10.3390/ijms21020426.

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The somatic embryogenesis (SE) process of plants is regulated by exogenous hormones. During the SE, different genes sensitively respond to hormone signals through complex regulatory networks to exhibit plant totipotency. When cultured in indole-3-butyric acid (IBA) concentration gradient medium supplemented with 0 mg dm−3, 0.025 mg dm−3, and 0.05 mg dm−3 IBA, the callus differentiation rate first increased then decreased in cotton. To characterize the molecular basis of IBA-induced regulating SE, transcriptome analysis was conducted on embryogenic redifferentiation. Upon the examination of the

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Vashisht, Divya, and Michael D. Nodine. "MicroRNA functions in plant embryos." Biochemical Society Transactions 42, no. 2 (2014): 352–57. http://dx.doi.org/10.1042/bst20130252.

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Plant miRNAs are short non-coding RNAs that mediate the repression of hundreds of genes. The basic plant body plan is established during early embryogenesis, and recent results have demonstrated that miRNAs play pivotal roles during both embryonic pattern formation and developmental timing. Multiple miRNAs appear to specifically repress transcription factor families during early embryogenesis. Therefore miRNAs probably have a large influence on the gene regulatory networks that contribute to the earliest cellular differentiation events in plants.

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6

V.A., Tsygankova. "Genetic Control and Phytohormonal Regulation of Plant Embryogenesis." International Journal of Medical Biotechnology & Genetics 3, no. 1 (2015): 9–20. https://doi.org/10.19070/2379-1020-150003.

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The review is devoted to genetic mechanisms of regulation of plant embryonic development. Numerous families of genes identified to date that control this phase of plant ontogenesis are presented in detail; their key role in the formation and development of plant seed is described. Data concerning important role of different classes of phytohormones such as auxins, cytokinins, gibberellic acid, brassinosteroids, abscisic acid, ethylene and jasmonic acid in the regulation of plant growth and development during embryogenesis are resulted.

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Li, Chunjia, Xujuan Li, Xiuqin Lin, et al. "Genotypic variation in the response to embryogenic callus induction and regeneration in Saccharum spontaneum." Plant Genetic Resources: Characterization and Utilization 19, no. 2 (2021): 153–58. http://dx.doi.org/10.1017/s1479262121000198.

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AbstractEmbryogenic callus induction and regeneration are useful in many aspects of plant biotechnology, especially in the functional characterization of economically important genes. However, in sugarcane, callus induction and regeneration vary across genotypes. Saccharum spontaneum is an important wild germplasm that confers disease resistance and stress tolerance to modern sugarcane cultivars, and its genome has been completely sequenced. The aim of this study was to investigate the effect of genetic variations on embryogenic callus induction and regeneration in S. spontaneum and to screen

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Zheng, Xianzhe, Yanling Duan, Huifang Zheng, Hao Tang, Liumeng Zheng, and Xiaobo Yu. "Genome-Wide Identification and Characterization of the RWP-RK Proteins in Zanthoxylum armatum." Genes 15, no. 6 (2024): 665. http://dx.doi.org/10.3390/genes15060665.

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Apomixis is a common reproductive characteristic of Zanthoxylum plants, and RWP-RKs are plant-specific transcription factors known to regulate embryonic development. However, the genome-wide analysis and function prediction of RWP-RK family genes in Z. armatum are unclear. In this study, 36 ZaRWP-RK transcription factors were identified in the genome of Z. armatum, among which 15 genes belonged to the RKD subfamily and 21 belonged to the NLP subfamily. Duplication events of ZaRWP-RK genes were mainly segmental duplication, and synteny analysis revealed a close phylogenetic relationship between

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9

Schrick, Kathrin, Ulrike Mayer, Gottfried Martin, et al. "Interactions between sterol biosynthesis genes in embryonic development of Arabidopsis." Plant Journal 31, no. 1 (2002): 61–73. http://dx.doi.org/10.1046/j.1365-313x.2002.01333.x.

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10

Hancock, R. L. "Theoretical mechanisms for synthesis of carcinogen-induced embryonic proteins: XVI the control of embryonic plant genes and its significance." Medical Hypotheses 21, no. 3 (1986): 233–39. http://dx.doi.org/10.1016/0306-9877(86)90015-0.

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11

Al-Qahdi, Shaikha S., Nada Alzohari, Abrar Y. Alsaid, et al. "Teucrium Polium Plant Extract Provokes Substantial Cytotoxicity at the Early Stage of Embryonic Development." Bosnian Journal of Basic Medical Sciences 19, no. 1 (2019): 67–71. http://dx.doi.org/10.17305/bjbms.2018.4052.

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The aim of this study is to explore the outcome of Teucrium polium (TP) medicinal plant consumption on the early stage of fetal development. We used the chicken embryo at 3 days of incubation as a model to evaluate the effect of TP plant extract during embryogenesis. In addition, quantitative polymerase chain reaction (qPCR) was applied to explore the expression of six genes related to cell proliferation, apoptosis, survival, angiogenesis, and migration. Our data revealed that TP exposure inhibits angiogenesis of the chicken embryo and its chorioallantoic membrane. In addition, we found that

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Fan, Yanru, Zhexin Li, Lifeng Zhang, Suying Han, and Liwang Qi. "Metabolome and Transcriptome Association Analysis Reveals Regulation of Flavonoid Biosynthesis by Overexpression of LaMIR166a in Larix kaempferi (Lamb.) Carr." Forests 11, no. 12 (2020): 1367. http://dx.doi.org/10.3390/f11121367.

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Somatic embryogenesis is an ideal model process for studying early plant development. Embryonic cell lines of Larix kaempferi (Lamb.) Carr overexpressing LaMIR166a were obtained in our previous study. Here, a combination of de novo transcriptomics and extensively targeted metabolomics was used to study the transcriptional profiles and metabolic changes in wild-type and LaMIR166a-overexpressed embryonic cell lines. A total of 459 metabolites were found in the wild-type and transgenic cell lines. Compared to those in the wild-type cell lines, transcripts and metabolites were significantly altere

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Tai, Helen H., George C. C. Tai, and Tannis Beardmore. "Dynamic Histone Acetylation of Late Embryonic Genes during Seed Germination." Plant Molecular Biology 59, no. 6 (2005): 909–25. http://dx.doi.org/10.1007/s11103-005-2081-x.

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14

Smolikova, Galina, Ksenia Strygina, Ekaterina Krylova, et al. "Seed-to-Seedling Transition in Pisum sativum L.: A Transcriptomic Approach." Plants 11, no. 13 (2022): 1686. http://dx.doi.org/10.3390/plants11131686.

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The seed-to-seedling transition is a crucial step in the plant life cycle. The transition occurs at the end of seed germination and corresponds to the initiation of embryonic root growth. To improve our understanding of how a seed transforms into a seedling, we germinated the Pisum sativum L. seeds for 72 h and divided them into samples before and after radicle protrusion. Before radicle protrusion, seeds survived after drying and formed normally developed seedlings upon rehydration. Radicle protrusion increased the moisture content level in seed axes, and the accumulation of ROS first generat

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Wleklik, Karolina, Szymon Stefaniak, Katarzyna Nuc, Małgorzata Pietrowska-Borek, and Sławomir Borek. "Identification and Potential Participation of Lipases in Autophagic Body Degradation in Embryonic Axes of Lupin (Lupinus spp.) Germinating Seeds." International Journal of Molecular Sciences 25, no. 1 (2023): 90. http://dx.doi.org/10.3390/ijms25010090.

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Autophagy is a fundamental process for plants that plays a crucial role in maintaining cellular homeostasis and promoting survival in response to various environmental stresses. One of the lesser-known stages of plant autophagy is the degradation of autophagic bodies in vacuoles. To this day, no plant vacuolar enzyme has been confirmed to be involved in this process. On the other hand, several enzymes have been described in yeast (Saccharomyces cerevisiae), including Atg15, that possess lipolytic activity. In this preliminary study, which was conducted on isolated embryonic axes of the white l

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Dong, Xiangshu, Jing Gao, Meng Jiang, et al. "The Identification and Characterization of WOX Family Genes in Coffea arabica Reveals Their Potential Roles in Somatic Embryogenesis and the Cold-Stress Response." International Journal of Molecular Sciences 25, no. 23 (2024): 13031. https://doi.org/10.3390/ijms252313031.

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WUSCHEL-related homeobox (WOX) genes play significant roles in plant development and stress responses. Difficulties in somatic embryogenesis are a significant constraint on the uniform seedling production and genetic modification of Coffea arabica, hindering efforts to improve coffee production in Yunnan, China. This study comprehensively analyzed WOX genes in three Coffea species. A total of 23 CaWOXs, 12 CcWOXs, and 10 CeWOXs were identified. Transcriptomic profile analysis indicated that about half of the CaWOX genes were actively expressed during somatic embryogenesis. The most represented

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17

Li, Meng, Xufang Niu, Shuang Li, et al. "CRISPR/Cas9 Based Cell-Type Specific Gene Knock-Out in Arabidopsis Roots." Plants 12, no. 12 (2023): 2365. http://dx.doi.org/10.3390/plants12122365.

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CRISPR/Cas9 (hereafter Cas9)-mediated gene knockout is one of the most important tools for studying gene function. However, many genes in plants play distinct roles in different cell types. Engineering the currently used Cas9 system to achieve cell-type-specific knockout of functional genes is useful for addressing the cell-specific functions of genes. Here we employed the cell-specific promoters of the WUSCHEL RELATED HOMEOBOX 5 (WOX5), CYCLIND6;1 (CYCD6;1), and ENDODERMIS7 (EN7) genes to drive the Cas9 element, allowing tissue-specific targeting of the genes of interest. We designed the repo

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18

Zhang, Fengjiao, Jingya Zhao, Sujuan Xu, Weimin Fang, Fadi Chen, and Nianjun Teng. "MicroRNA and Putative Target Discoveries in Chrysanthemum Polyploidy Breeding." International Journal of Genomics 2017 (2017): 1–13. http://dx.doi.org/10.1155/2017/6790478.

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MicroRNAs (miRNAs), around 22 nucleotides (nt) in length, are a class of endogenous and noncoding RNA molecule that play an essential role in plant development, either by suppressing the transcription of target genes at a transcriptional level or inhibiting translation at a posttranscriptional level. To understand the roles of miRNAs and their target genes in chrysanthemum polyploidy breeding, three sRNA libraries of normal and abnormal embryos after hybridization were performed by RNA-Seq. As a result, a total of 170 miRNAs were identified and there are 41 special miRNAs in cross of paternal

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19

Smolikova, Galina, Ekaterina Krylova, Ivan Petřík, et al. "Involvement of Abscisic Acid in Transition of Pea (Pisum sativum L.) Seeds from Germination to Post-Germination Stages." Plants 13, no. 2 (2024): 206. http://dx.doi.org/10.3390/plants13020206.

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The transition from seed to seedling represents a critical developmental step in the life cycle of higher plants, dramatically affecting plant ontogenesis and stress tolerance. The release from dormancy to acquiring germination ability is defined by a balance of phytohormones, with the substantial contribution of abscisic acid (ABA), which inhibits germination. We studied the embryonic axis of Pisum sativum L. before and after radicle protrusion. Our previous work compared RNA sequencing-based transcriptomics in the embryonic axis isolated before and after radicle protrusion. The current study

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20

Lehti-Shiu, Melissa D., Benjamin J. Adamczyk, and Donna E. Fernandez. "Expression of MADS-box genes during the embryonic phase in Arabidopsis." Plant Molecular Biology 58, no. 1 (2005): 89–107. http://dx.doi.org/10.1007/s11103-005-4546-3.

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21

Abubakar, Aminu Shehu, Yongmei Wu, Fengming Chen, et al. "Comprehensive Analysis of WUSCEL-Related Homeobox Gene Family in Ramie (Boehmeria nivea) Indicates Its Potential Role in Adventitious Root Development." Biology 12, no. 12 (2023): 1475. http://dx.doi.org/10.3390/biology12121475.

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A WUSCHEL-related homeobox (WOX) gene family has been implicated in promoting vegetative organs to embryonic transition and maintaining plant embryonic stem cell identity. Using genome-wide analysis, we identified 17 candidates, WOX genes in ramie (Boehmeria nivea). The genes (BnWOX) showed highly conserved homeodomain regions typical of WOX. Based on phylogenetic analysis, they were classified into three distinct groups: modern, intermediate, and ancient clades. The genes displayed 65% and 35% collinearities with their Arabidopsis thaliana and Oryza sativa ortholog, respectively, and exhibite

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Ibrahim, Evra Raunie, Md Anowar Hossain, and Hairul Azman Roslan. "Genetic Transformation ofMetroxylon sagu(Rottb.) Cultures viaAgrobacterium-Mediated and Particle Bombardment." BioMed Research International 2014 (2014): 1–9. http://dx.doi.org/10.1155/2014/348140.

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Sago palm (Metroxylon sagu) is a perennial plant native to Southeast Asia and exploited mainly for the starch content in its trunk. Genetic improvement of sago palm is extremely slow when compared to other annual starch crops. Urgent attention is needed to improve the sago palm planting material and can be achieved through nonconventional methods. We have previously developed a tissue culture method for sago palm, which is used to provide the planting materials and to develop a genetic transformation procedure. Here, we report the genetic transformation of sago embryonic callus derived from su

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23

Zhang, Qun, Xiuyue Xu, and Ling Yang. "Genome-Wide Identification of WOX Genes in Korean Pine and Analysis of Expression Patterns and Properties of Transcription Factors." Biology 14, no. 4 (2025): 411. https://doi.org/10.3390/biology14040411.

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(1) Background: WOX (WUSCHEL-related homologous box) is a plant-specific transcription factor involved in plant development and stress response. It has been reported to be involved in processes such as growth and development, stem cell division and differentiation, and organ development; (2) Methods: In this study, bioinformatics was used to identify and analyze the WOX gene family of Korean pine. The gene characteristics were identified and analyzed through yeast transcriptional activation assays as well as subcellular localization experiments; (3) Results: A total of 21 members of the WOX ge

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Ben Michael, Tomer E., Liraz Rozenblat, Adi Faigenboim, et al. "From Embryo to Adult: Low Temperatures Affect Phase Transitions of Allium sativum L. from Germination to Flowering." Agronomy 10, no. 11 (2020): 1651. http://dx.doi.org/10.3390/agronomy10111651.

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Juvenile and vegetative adult shoot apical meristems (SAM) are actively involved in acquisition of flowering competence, while the embryonic SAM is regarded as “responsible” only for germination. Comparative analyses of imbibed and stratified seeds of garlic Allium sativum show that only stratified seedlings produced bulbs and flower stems at the end of the season. Since the seed morphology of stratified and non-stratified seeds prior to sowing was similar, the differences are attributed to the molecular alterations in the embryonic SAM. Functional annotation analysis of 3000 differentially ex

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Lee, Ze Hong, Takeshi Hirakawa, Nobutoshi Yamaguchi, and Toshiro Ito. "The Roles of Plant Hormones and Their Interactions with Regulatory Genes in Determining Meristem Activity." International Journal of Molecular Sciences 20, no. 16 (2019): 4065. http://dx.doi.org/10.3390/ijms20164065.

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Plants, unlike animals, have developed a unique system in which they continue to form organs throughout their entire life cycle, even after embryonic development. This is possible because plants possess a small group of pluripotent stem cells in their meristems. The shoot apical meristem (SAM) plays a key role in forming all of the aerial structures of plants, including floral meristems (FMs). The FMs subsequently give rise to the floral organs containing reproductive structures. Studies in the past few decades have revealed the importance of transcription factors and secreted peptides in meri

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Silva, Mirian de Sousa, Sérgio Hermínio Brommonschenkel, José Márcio Rocha Faria, and Eduardo Euclydes de Lima e. Borges. "Partial characterization of genes from the embryonic axis of Melanoxylon brauna Schott. (Leguminosae-Caesalpinioideae) seeds." Revista Brasileira de Sementes 34, no. 1 (2012): 29–38. http://dx.doi.org/10.1590/s0101-31222012000100004.

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The objective of this study was to partially characterize some genes involved in the desiccation tolerance of the embryonic axis of Melanoxylon brauna seeds subjected, or not, to oven fast-drying. Seeds were initially dried rapidly in an oven at 40 ºC, 50 ºC, 60 ºC, 70 ºC, and 80 °C, for 24, 48 and 72 h and then subjected to germination tests and moisture content determination. Degenerate primers were designed for 19 genes. The CDNA was used as a template for PCR amplifications using the degenerate primers, and the PCR products obtained were purified, cloned and sequenced. The seeds showed a g

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Si, Helong. "De Novo Assembly and Characterization of the Seed Germination Transcriptomes of Sicyos angulatus." International Journal of Agriculture and Biology 26, no. 01 (2021): 31–38. http://dx.doi.org/10.17957/ijab/15.1805.

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Sicyos angulatus has become an important invasive plant exhibiting good ecological adaptability and strong competitive ability. However, studies on this plant at the molecular level are limited by a lack of sequencing data. The present study obtained transcriptome sequences and gene expression profiles using RNA-Seq during S. angulatus seed germination. In total, RNA-Seq generated 491,967,468 reads, which were de novo assembled and 127,874 unigenes with N50 length of 807 bp. About 34.9% of the unigenes (44,660) were annotated against the protein databases, and 35,176 coding sequences were dete

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Heikkila, John J., L. W. Browder, L. Gedamu, R. W. Nickells, and G. A. Schultz. "Heat-shock gene expression in animal embryonic systems." Canadian Journal of Genetics and Cytology 28, no. 6 (1986): 1093–105. http://dx.doi.org/10.1139/g86-153.

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We have examined the expression of heat shock or stress genes in fish, echinoderm, amphibian, and mammalian embryonic systems. In a Chinook salmon embryo cell line, elevation of the incubation temperature or exposure to metal ions (e.g., cadmium and zinc) induced a set of heat-shock proteins HSPs. Transcriptional inhibitor, in vitro translation, and Northern hybridization studies suggest that fish HSP synthesis is regulated at the transcriptional level. The synthesis of HSPs during early development of Arbacia punctulata, Xenopus laevis, mouse, and rabbit is a stage-dependent phenomenon. In ea

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Hernández-Nistal, J., E. Labrador, I. Martín, T. Jiménez, and B. Dopico. "Transcriptional profiling of cell wall protein genes in chickpea embryonic axes during germination and growth." Plant Physiology and Biochemistry 44, no. 11-12 (2006): 684–92. http://dx.doi.org/10.1016/j.plaphy.2006.10.017.

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Kuciński, Jan, Sebastian Chamera, Aleksandra Kmera, et al. "Evolutionary History and Activity of RNase H1-Like Proteins in Arabidopsis thaliana." Plant and Cell Physiology 61, no. 6 (2020): 1107–19. http://dx.doi.org/10.1093/pcp/pcaa040.

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Abstract RNase H1 is an endonuclease specific toward the RNA strand of RNA:DNA hybrids. Members of this protein family are present in most living organisms and are essential for removing RNA that base pairs with DNA. It prevents detrimental effects of RNA:DNA hybrids and is involved in several biological processes. Arabidopsis thaliana has been previously shown to contain three genes encoding RNase H1 proteins that localize to three distinct cellular compartments. We show that these genes originate from two gene duplication events. One occurred in the common ancestor of dicots and produced nuc

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Dal Santo, Silvia, Emanuele De Paoli, Chiara Pagliarani, et al. "Stress responses and epigenomic instability mark the loss of somatic embryogenesis competence in grapevine." Plant Physiology 188, no. 1 (2021): 490–508. http://dx.doi.org/10.1093/plphys/kiab477.

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Abstract Somatic embryogenesis (SE) represents the most appropriate tool for next-generation breeding methods in woody plants such as grapevine (Vitis vinifera L.). However, in this species, the SE competence is strongly genotype-dependent and the molecular basis of this phenomenon is poorly understood. We explored the genetic and epigenetic basis of SE in grapevine by profiling the transcriptome, epigenome, and small RNAome of undifferentiated, embryogenic, and non-embryogenic callus tissues derived from two genotypes differing in competence for SE, Sangiovese and Cabernet Sauvignon. During t

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Zhang, Lu, You-biao Hu, Hua-sen Wang, Sheng-jun Feng, and Yu-ting Zhang. "Involvement of miR156 in the Regulation of Vegetative Phase Change in Plants." Journal of the American Society for Horticultural Science 140, no. 5 (2015): 387–95. http://dx.doi.org/10.21273/jashs.140.5.387.

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Plant growth and development are determined by complex exogenous and endogenous cues. A plant follows several temporally distinct developmental stages, including embryonic, vegetative, and reproductive. The vegetative stage, which is usually the longest stage, can be subdivided into juvenile and adult phases. The transition from the juvenile to the adult phase, also called the vegetative phase change, is characterized by anatomical, morphological, and physiological changes in the vegetative parts of the shoot. Recent studies in several systems have identified the genetic temporal mechanisms of

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Pan, Jiawen, Weifeng Li, Binzhao Chen, Linchuan Liu, Jianjun Zhang та Jianming Li. "Arabidopsis 3β-Hydroxysteroid Dehydrogenases/C4-Decarboxylases Are Essential for the Pollen and Embryonic Development". International Journal of Molecular Sciences 24, № 21 (2023): 15565. http://dx.doi.org/10.3390/ijms242115565.

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The biosynthesis of C27–29 sterols from their C30 precursor squalene involves C24-alkylation and the removal of three methyl groups, including two at the C4 position. The two C4 demethylation reactions require a bifunctional enzyme known as 3β-hydroxysteroid dehydrogenase/C4-decarboxylase (3βHSD/D), which removes an oxidized methyl (carboxylic) group at C4 while simultaneously catalyzing the 3β-hydroxyl→3-keto oxidation. Its loss-of-function mutations cause ergosterol-dependent growth in yeast and congenital hemidysplasia with ichthyosiform erythroderma and limb defect (CHILD) syndrome in huma

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Zhang, Lingling, Weimin Fang, Fadi Chen, and Aiping Song. "The Role of Transcription Factors in the Regulation of Plant Shoot Branching." Plants 11, no. 15 (2022): 1997. http://dx.doi.org/10.3390/plants11151997.

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Transcription factors, also known as trans-acting factors, balance development and stress responses in plants. Branching plays an important role in plant morphogenesis and is closely related to plant biomass and crop yield. The apical meristem produced during plant embryonic development repeatedly produces the body of the plant, and the final aerial structure is regulated by the branching mode generated by axillary meristem (AM) activities. These branching patterns are regulated by two processes: AM formation and axillary bud growth. In recent years, transcription factors involved in regulatin

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Aida, Mitsuhiro, Yuka Tsubakimoto, Satoko Shimizu, et al. "Establishment of the Embryonic Shoot Meristem Involves Activation of Two Classes of Genes with Opposing Functions for Meristem Activities." International Journal of Molecular Sciences 21, no. 16 (2020): 5864. http://dx.doi.org/10.3390/ijms21165864.

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The shoot meristem, a stem-cell-containing tissue initiated during plant embryogenesis, is responsible for continuous shoot organ production in postembryonic development. Although key regulatory factors including KNOX genes are responsible for stem cell maintenance in the shoot meristem, how the onset of such factors is regulated during embryogenesis is elusive. Here, we present evidence that the two KNOX genes STM and KNAT6 together with the two other regulatory genes BLR and LAS are functionally important downstream genes of CUC1 and CUC2, which are a redundant pair of genes that specify the

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Donohue, Kathleen. "Completing the cycle: maternal effects as the missing link in plant life histories." Philosophical Transactions of the Royal Society B: Biological Sciences 364, no. 1520 (2009): 1059–74. http://dx.doi.org/10.1098/rstb.2008.0291.

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Maternal effects on seed traits such as germination are important components of the life histories of plants because they represent the pathway from adult to offspring: the pathway that completes the life cycle. Maternal environmental effects on germination influence basic life-history expression, natural selection on germination, the expression of genetic variation for germination and even the genes involved in germination. Maternal effects on seed traits can even influence generation time and projected population growth rates. Whether these maternal environmental effects are imposed by the m

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Sauter, M., Petra von Wiegen, Horst Lörz, and Erhard Kranz. "Cell cycle regulatory genes from maize are differentially controlled during fertilization and first embryonic cell division." Sexual Plant Reproduction 11, no. 1 (1998): 41–48. http://dx.doi.org/10.1007/s004970050119.

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Liu, Wen-Yu, Hsin-Hung Lin, Chun-Ping Yu, et al. "Maize ANT1 modulates vascular development, chloroplast development, photosynthesis, and plant growth." Proceedings of the National Academy of Sciences 117, no. 35 (2020): 21747–56. http://dx.doi.org/10.1073/pnas.2012245117.

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ArabidopsisAINTEGUMENTA (ANT), an AP2 transcription factor, is known to control plant growth and floral organogenesis. In this study, our transcriptome analysis and in situ hybridization assays of maize embryonic leaves suggested that maize ANT1 (ZmANT1) regulates vascular development. To better understand ANT1 functions, we determined the binding motif of ZmANT1 and then showed that ZmANT1 binds the promoters of milletSCR1,GNC, andAN3, which are key regulators of Kranz anatomy, chloroplast development, and plant growth, respectively. We generated a mutant with a single-codon deletion and two

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Zhang, Wentao, Xinyao Xie, Linlin Le, and Fuliang Cao. "Transcriptional Profiling Reveals Key Regulatory Roles of the WUSCHEL-Related Homeobox Gene Family in Yellowhorn (Xanthoceras sorbifolia Bunge)." Forests 15, no. 2 (2024): 376. http://dx.doi.org/10.3390/f15020376.

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The WUSCHEL-related homeobox (WOX) gene family plays a crucial role in regulating embryonic development, organ formation, and stress resistance. Yellowhorn (Xanthoceras sorbifolia Bunge), a drought-resistant tree known for its oil production, lacks sufficient information regarding the WOX gene family. To understand the evolutionary mechanisms and potential functions of this gene family in yellowhorn, we conducted a comprehensive investigation on its expression patterns and evolutionary characteristics. Our analysis revealed the presence of nine XsWOX genes in the yellowhorn genome, which could

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Yadav, I. S., and N. P. Singh. "An effective protocol for improved regeneration capacity of Kabuli chickpeas." Canadian Journal of Plant Science 92, no. 6 (2012): 1057–64. http://dx.doi.org/10.4141/cjps2011-196.

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Yadav, I. S. and Singh, N. P. 2012. An effective protocol for improved regeneration capacity of Kabuli chickpeas. Can. J. Plant Sci. 92: 1057–1064. An efficient protocol for in vitro regeneration is essential for genetic manipulation and micro-propagation of important plant species. A direct shoot regeneration system has been optimized for Desi chickpeas, but an effective regeneration protocol is still needed for Kabuli chickpeas. An efficient regeneration protocol for Kabuli chickpeas was developed, using whole embryonic axes, an embryonic axes slice and cotyledonary node explants from two ge

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Efremova, Elena P., Varvara E. Tvorogova, and Ludmila A. Lutova. "The MtWOX genes in the regulation of Medicago truncatula somatic embryogenesis." Ecological genetics 21, no. 3S (2023): 11. http://dx.doi.org/10.17816/ecogen568389.

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Plant somatic cells can be reprogrammed into totipotent embryonic cells that are able to form embryos in a process called somatic embryogenesis (SE). SE can occur naturally in some plant species and it is widely used for the plant’s genetic transformation and regeneration. This process is regulated by hormone treatment and many proteins, among which WUSCHEL-related homeobox (WOX) transcription factors are believed to play crucial roles. Our previous studies have shown thatMtWOX9-1stimulates SE inMedicago truncatula. The aim of the present research was to search for newMtWOXgenes regulati

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Xia, Fan, Xiaoyu Liang, Lina Tan, Wen Sun, Xiaogang Dai, and Hanwei Yan. "Genome-Wide Identification, Evolution and Expression Profile Analysis of NAC Transcription Factor in Simmondsia chinensis." Current Issues in Molecular Biology 45, no. 7 (2023): 5422–36. http://dx.doi.org/10.3390/cimb45070344.

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NAC transcription factors (TFs) are one of the largest plant-specific gene families and play important roles in plant growth, development, and the biotic and abiotic stress response. Although the sequencing of Jojoba (Simmondsia chinensis) has been completed, the genome-wide identification and analysis of its NAC TFs has not been reported. In this study, a total of 57 genes were identified in Jojoba, which were divided into eight groups based on phylogenetic analysis. The genes clustered in the same groups have a similar gene structure and motif distribution. Based on the analysis of cis-eleme

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Efremova, Elena P., Varvara E. Tvorogova, and Ludmila A. Lutova. "The <i>MtWOX</i> and <i>MtCLE</i> genes in the regulation of <i>Medicago truncatula</i> somatic embryogenesis." Ecological genetics 20, no. 1S (2022): 18. http://dx.doi.org/10.17816/ecogen112308.

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Plant somatic cells can be reprogrammed into totipotent embryonic cells that are able to form differentiated embryos in a process called somatic embryogenesis (SE). SE can occur naturally in various plant species and it is widely used for clonal propagation, transformation and regeneration of different crops. This process is regulated by hormone treatment and many proteins, among which WUSCHEL-related homeobox (WOX) transcription factors are believed to play crucial roles. The WOX family is involved in the regulation of a wide range of key developmental programs in different plant organs and t

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Long, J. A., and M. K. Barton. "The development of apical embryonic pattern in Arabidopsis." Development 125, no. 16 (1998): 3027–35. http://dx.doi.org/10.1242/dev.125.16.3027.

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The apical portion of the Arabidopsis globular stage embryo gives rise to the cotyledons and the shoot apical meristem (SAM). The SHOOT MERISTEMLESS (STM) gene is required for SAM formation during embryogenesis and for SAM function throughout the lifetime of the plant. To more precisely define the development of molecular pattern in the apical portion of the embryo, and the role of the STM gene in the development of this pattern, we have examined AINTEGUMENTA (ANT), UNUSUAL FLORAL ORGANS (UFO) and CLAVATA1 (CLV1) expression in wild-type and stm mutant embryos. The transcripts of these genes ma

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Ci, Huiting, Changyue Li, Theint Thinzar Aung, et al. "A Comparative Transcriptome Analysis Reveals the Molecular Mechanisms That Underlie Somatic Embryogenesis in Peaonia ostii ‘Fengdan’." International Journal of Molecular Sciences 23, no. 18 (2022): 10595. http://dx.doi.org/10.3390/ijms231810595.

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Low propagation rate is the primary problem that limits industry development of tree peony. In this study, a highly efficient regeneration system for tree peony using somatic embryogenesis (SE) was established. The transcriptomes of zygotic embryo explants (S0), non-embryonic callus (S1), embryonic callus (S2), somatic embryos (S3), and regenerated shoots (S4) were analyzed to determine the regulatory mechanisms that underlie SE in tree peony. The differentially expressed genes (DEGs) were identified in the pairwise comparisons of S1-vs-S2 and S1-vs-S3, respectively. The enriched DEGs were pri

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Nikolić, Ivana, Jelena Samardžić, Strahinja Stevanović, Jovanka Miljuš-Đukić, Mira Milisavljević, and Gordana Timotijević. "CRISPR/Cas9-Targeted Disruption of Two Highly Homologous Arabidopsis thaliana DSS1 Genes with Roles in Development and the Oxidative Stress Response." International Journal of Molecular Sciences 24, no. 3 (2023): 2442. http://dx.doi.org/10.3390/ijms24032442.

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Global climate change has a detrimental effect on plant growth and health, causing serious losses in agriculture. Investigation of the molecular mechanisms of plant responses to various environmental pressures and the generation of plants tolerant to abiotic stress are imperative to modern plant science. In this paper, we focus on the application of the well-established technology CRISPR/Cas9 genome editing to better understand the functioning of the intrinsically disordered protein DSS1 in plant response to oxidative stress. The Arabidopsis genome contains two highly homologous DSS1 genes, At

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Feng, Chen, Shuaiyu Zou, Puxin Gao, and Zupeng Wang. "In silico identification, characterization expression profile of WUSCHEL-Related Homeobox (WOX) gene family in two species of kiwifruit." PeerJ 9 (October 28, 2021): e12348. http://dx.doi.org/10.7717/peerj.12348.

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The WUSCHEL (WUS)-related homeobox (WOX) gene family is a class of plant-specific transcriptional factors and plays a crucial role in forming the shoot apical meristem and embryonic development, stem cell maintenance, and various other developmental processes. However, systematic identification and characterization of the kiwifruit WOX gene family have not been studied. This study identified 17 and 10 WOX genes in A. chinensis (Ac) and A. eriantha (Ae) genomes, respectively. Phylogenetic analysis classified kiwifruit WOX genes from two species into three clades. Analysis of phylogenetics, synt

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Nassar, Nagib M. A., Marco Andre Vieira, Clibas Vieira, and Dario Grattapaglia. "Molecular and embryonic evidence of apomixis in cassava interspecific hybrids (Manihot spp.)." Canadian Journal of Plant Science 78, no. 2 (1998): 349–52. http://dx.doi.org/10.4141/p97-023.

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In cassava, apomixis could fix hetereozygosity and prevent the transmission of systemic pathogens which complicate vegetative propagation of the crop. Evidence from maternal inheritance of RAPD markers and the structure of the embryonic sac in large progeny sets of two distinct genotypes have further confirmed that apomixis occurs in cassava. Here, we have built on an earlier report of apomixis in cassava in four ways (1) we estimated the rate of faculative apomixis in the range of 2% (2) we detected the occurrence of apomixis in a second genotype, derived form a different interspecific cross;

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Dali, Ouzna, Shereen D’Cruz, Louis Legoff, et al. "Transgenerational epigenetic effects imposed by neonicotinoid thiacloprid exposure." Life Science Alliance 7, no. 2 (2023): e202302237. http://dx.doi.org/10.26508/lsa.202302237.

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Neonicotinoids are a widely used class of insecticides that are being applied in agricultural fields. We examined the capacity of a neonicotinoid, thiacloprid (thia), to induce transgenerational effects in male mice. Pregnant outbred Swiss female mice were exposed tothiaat embryonic days E6.5–E15.5 using different doses. Testis sections were used for morphology analysis, ELISAs for testosterone level analysis, RT–qPCR and RNA-seq for gene expression analysis, MEDIP-seq and MEDIP–qPCR techniques for DNA methylation analysis, and Western blot for a protein analysis. The number of meiotic double-

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Jia, Haiyan, Donald R. McCarty, and Masaharu Suzuki. "Distinct Roles of LAFL Network Genes in Promoting the Embryonic Seedling Fate in the Absence of VAL Repression." Plant Physiology 163, no. 3 (2013): 1293–305. http://dx.doi.org/10.1104/pp.113.220988.

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