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Journal articles on the topic 'Arabidopsis sp'

Author: Grafiati

Published: 10 September 2021

Last updated: 29 July 2025

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1

Thatcher, Louise F., Donald M. Gardiner, Kemal Kazan, and John M. Manners. "A Highly Conserved Effector in Fusarium oxysporum Is Required for Full Virulence on Arabidopsis." Molecular Plant-Microbe Interactions® 25, no. 2 (2012): 180–90. http://dx.doi.org/10.1094/mpmi-08-11-0212.

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Secreted-in-xylem (SIX) proteins of the vascular wilt pathogen Fusarium oxysporum f. sp. lycopersici are secreted during infection of tomato and function in virulence or avirulence. F. oxysporum formae speciales have specific host ranges but the roles of SIX proteins in diverse hosts are unknown. We identified homologs of F. oxysporum f. sp. lycopersici SIX1, SIX4, SIX8, and SIX9 in the genome of Arabidopsis infecting isolate Fo5176. A SIX4 homolog (termed Fo5176-SIX4) differed from that of F. oxysporum f. sp. lycopersici (Fol-SIX4) by only two amino acids, and its expression was induced durin

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Berrocal-Lobo, Marta, and Antonio Molina. "Ethylene Response Factor 1 Mediates Arabidopsis Resistance to the Soilborne Fungus Fusarium oxysporum." Molecular Plant-Microbe Interactions® 17, no. 7 (2004): 763–70. http://dx.doi.org/10.1094/mpmi.2004.17.7.763.

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Ethylene response factor 1 (ERF1) is a transcriptional factor from Arabidopsis thaliana that regulates plant resistance to the necrotrophic fungi Botrytis cinerea and Plectosphaerella cucumerina and whose overexpression enhances resistance to these fungi. Here, we show that ERF1 also mediates Arabidopsis resistance to the soilborne fungi Fusarium oxysporum sp. conglutinans and F. oxysporum f. sp. lycopersici, because its constitutive expression in Arabidopsis confers enhanced resistance to these pathogens. Expression of ERF1 was upregulated after inoculation with F. oxysporum f. sp. conglutina

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Huang, Xing-Feng, Dongmei Zhou, Erin R. Lapsansky, et al. "Mitsuaria sp. and Burkholderia sp. from Arabidopsis rhizosphere enhance drought tolerance in Arabidopsis thaliana and maize (Zea mays L.)." Plant and Soil 419, no. 1-2 (2017): 523–39. http://dx.doi.org/10.1007/s11104-017-3360-4.

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4

Yu, Houlin, Dilay Hazal Ayhan, Andrew C. Diener, and Li-Jun Ma. "Genome Sequence of Fusarium oxysporum f. sp. matthiolae, a Brassicaceae Pathogen." Molecular Plant-Microbe Interactions® 33, no. 4 (2020): 569–72. http://dx.doi.org/10.1094/mpmi-11-19-0324-a.

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The filamentous fungus Fusarium oxysporum is a soilborne pathogen of many cultivated species and an opportunistic pathogen of humans. F. oxysporum f. sp. matthiolae is one of three formae speciales that are pathogenic to crucifers, including Arabidopsis thaliana, a premier model for plant molecular biology and genetics. Here, we report a genome assembly of F. oxysporum f. sp. matthiolae strain PHW726, generated using a combination of PacBio and Illumina sequencing technologies. The genome assembly presented here should facilitate in-depth investigation of F. oxysporum–Arabidopsis interactions

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Pnueli, L., L. Carmel-Goren, D. Hareven, et al. "The SELF-PRUNING gene of tomato regulates vegetative to reproductive switching of sympodial meristems and is the ortholog of CEN and TFL1." Development 125, no. 11 (1998): 1979–89. http://dx.doi.org/10.1242/dev.125.11.1979.

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Vegetative and reproductive phases alternate regularly during sympodial growth in tomato. In wild-type ‘indeterminate’ plants, inflorescences are separated by three vegetative nodes. In ‘determinate’ plants homozygous for the recessive allele of the SELF-PRUNING (SP) gene, sympodial segments develop progressively fewer nodes until the shoot is terminated by two consecutive inflorescences. We show here that the SP gene is the tomato ortholog of CENTRORADIALIS and TERMINAL FLOWER1, genes which maintain the indeterminate state of inflorescence meristems in Antirrhinum and Arabidopsis respectively

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Karojet, Silke, Sabine Kunz, and Joost T. van Dongen. "Microbacterium yannicii sp. nov., isolated from Arabidopsis thaliana roots." International Journal of Systematic and Evolutionary Microbiology 62, Pt_4 (2012): 822–26. http://dx.doi.org/10.1099/ijs.0.026955-0.

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Bacterial strain G72T was isolated from surface-sterilized roots of Arabidopsis thaliana growing in its natural habitat. This Gram-positive, rod-shaped, non-motile, microaerophilic and aerobically growing isolate was characterized by using a polyphasic approach. On the basis of 16S rRNA gene sequence similarity, strain G72T belongs to the genus Microbacterium . However, reassociation values in a DNA–DNA hybridization analysis with closely related strains were between 45.1 and 15.9 %. The DNA G+C content was 70.1 mol%. Strain G72T possessed a peptidoglycan type based on B2β with partial substit

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7

Lin, Shih-Yao, Asif Hameed, You-Cheng Liu, et al. "Novosphingobium arabidopsis sp. nov., a DDT-resistant bacterium isolated from the rhizosphere of Arabidopsis thaliana." International Journal of Systematic and Evolutionary Microbiology 64, Pt_2 (2014): 594–98. http://dx.doi.org/10.1099/ijs.0.054460-0.

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An aerobic, Gram-stain-negative, rod-shaped, DDT-resistant bacterium, designated strain CC-ALB-2T, was isolated from the Arabidopsis thaliana rhizosphere. Strain CC-ALB-2T was able to grow at 25–37 °C, at pH 5.0–8.0, with 1.0 % (w/v) NaCl and tolerate up to 200 mg l−1 DDT. 16S rRNA gene sequence analysis of strain CC-ALB-2T showed highest sequence similarity to Novosphingobium stygium KCTC 2891T (97.1 %) and Novosphingobium soli DSM 22821T (96.8 %), and lower levels of similarity (<97.0 %) to other species of the genus Novosphingobium . The major fatty acid profile consisted of C14 : 0 2-OH

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Qu, Dehui, Pau-Loke Show, and Xiaoling Miao. "Transcription Factor ChbZIP1 from Alkaliphilic Microalgae Chlorella sp. BLD Enhancing Alkaline Tolerance in Transgenic Arabidopsis thaliana." International Journal of Molecular Sciences 22, no. 5 (2021): 2387. http://dx.doi.org/10.3390/ijms22052387.

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Saline-alkali soil has become an important environmental problem for crop productivity. One of the most effective approaches is to cultivate new stress-tolerant plants through genetic engineering. Through RNA-seq analysis and RT-PCR validation, a novel bZIP transcription factor ChbZIP1, which is significantly upregulated at alkali conditions, was obtained from alkaliphilic microalgae Chlorella sp. BLD. Overexpression of ChbZIP1 in Saccharomyces cerevisiae and Arabidopsis increased their alkali resistance, indicating ChbZIP1 may play important roles in alkali stress response. Through subcellula

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Polisetti, Sneha, Amber N. Bible, Jennifer L. Morrell-Falvey, and Paul W. Bohn. "Raman chemical imaging of the rhizosphere bacterium Pantoea sp. YR343 and its co-culture with Arabidopsis thaliana." Analyst 141, no. 7 (2016): 2175–82. http://dx.doi.org/10.1039/c6an00080k.

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Raman micro-spectroscopy and confocal Raman imaging are used to study the rhizosphere bacterial isolate, Pantoea sp. YR343, and its co-culture with model plant Arabidopsis thaliana by combining enhanced Raman spectroscopies with electron microscopy and principal component analysis.

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Conn, V. M., A. R. Walker, and C. M. M. Franco. "Endophytic Actinobacteria Induce Defense Pathways in Arabidopsis thaliana." Molecular Plant-Microbe Interactions® 21, no. 2 (2008): 208–18. http://dx.doi.org/10.1094/mpmi-21-2-0208.

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Endophytic actinobacteria, isolated from healthy wheat tissue, which are capable of suppressing a number wheat fungal pathogens both in vitro and in planta, were investigated for the ability to activate key genes in the systemic acquired resistance (SAR) or the jasmonate/ethylene (JA/ET) pathways in Arabidopsis thaliana. Inoculation of A. thaliana (Col-0) with selected endophytic strains induced a low level of SAR and JA/ET gene expression, measured using quantitative polymerase chain reaction. Upon pathogen challenge, endophyte-treated plants demonstrated a higher abundance of defense gene ex

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Kämpfer, Peter, Hans-Jürgen Busse, Hannes Horn, Usama Ramadan Abdelmohsen, Ute Hentschel, and Stefanie P. Glaeser. "Williamsia herbipolensis sp. nov., isolated from the phyllosphere of Arabidopsis thaliana." International Journal of Systematic and Evolutionary Microbiology 66, no. 11 (2016): 4609–13. http://dx.doi.org/10.1099/ijsem.0.001398.

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Lin, Shih-Yao, Asif Hameed, You-Cheng Liu, et al. "Chitinophaga taiwanensis sp. nov., isolated from the rhizosphere of Arabidopsis thaliana." International Journal of Systematic and Evolutionary Microbiology 64, Pt_2 (2014): 426–30. http://dx.doi.org/10.1099/ijs.0.054452-0.

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An aerobic, Gram-stain-negative, rod-shaped bacterium (strain CC-ALB-1T) was isolated from the rhizosphere of Arabidopsis thaliana. Strain CC-ALB-1T was able to grow at 20–30 °C, pH 5.0–8.0 and with up to 1.0 % (w/v) NaCl. 16S rRNA gene sequence analysis showed that strain CC-ALB-1T had the highest sequence similarity to Chitinophaga ginsengisegetis Gsoil 040T (96.9 %) and Chitinophaga niastensis JS16-4T (96.7 %); lower levels of similarity (<97.0 %) were observed to strains of all other species of the genus Chitinophaga . The fatty acid profile consisted of iso-C15 : 0, iso-C17 : 0 3-OH, C

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Van Wees, Saskia C. M., Corné M. J. Pieterse, Annemiek Trijssenaar, Yvonne A. M. Van 't Westende, Femke Hartog, and Leendert C. Van Loon. "Differential Induction of Systemic Resistance in Arabidopsis by Biocontrol Bacteria." Molecular Plant-Microbe Interactions® 10, no. 6 (1997): 716–24. http://dx.doi.org/10.1094/mpmi.1997.10.6.716.

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Selected nonpathogenic, root-colonizing bacteria are able to elicit induced systemic resistance (ISR) in plants. To elucidate the molecular mechanisms underlying this type of systemic resistance, an Arabidopsis-based model system was developed in which Pseudomonas syringae pv. tomato and Fusarium oxysporum f. sp. raphani were used as challenging pathogens. In Arabidopsis thaliana ecotypes Columbia and Landsberg erecta, colonization of the rhizosphere by P. fluorescens strain WCS417r induced systemic resistance against both pathogens. In contrast, ecotype RLD did not respond to WCS417r treatmen

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Ahn, Il-Pyung, Sang-Woo Lee, and Seok-Cheol Suh. "Rhizobacteria-Induced Priming in Arabidopsis Is Dependent on Ethylene, Jasmonic Acid, and NPR1." Molecular Plant-Microbe Interactions® 20, no. 7 (2007): 759–68. http://dx.doi.org/10.1094/mpmi-20-7-0759.

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A nonpathogenic rhizobacterium, Pseudomonas putida LSW17S, elicited systemic protection against Fusarium wilt and pith necrosis caused by Fusarium oxysporum f. sp. lycopersici and P. corrugata in tomato (Lycopersicon esculentum L.). LSW17S also confers disease resistance against P. syringae pv. tomato DC3000 (DC3000) on Arabidopsis ecotype Col-0. To investigate mechanisms underlying disease protection, expression patterns of defense-related genes PR1, PR2, PR5, and PDF1.2 and cellular defense responses such as hydrogen peroxide accumulation and callose deposition were investigated. LSW17S trea

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15

Vergnes, Sophie, Damien Gayrard, Marine Veyssière, et al. "Phyllosphere Colonization by a Soil Streptomyces sp. Promotes Plant Defense Responses Against Fungal Infection." Molecular Plant-Microbe Interactions® 33, no. 2 (2020): 223–34. http://dx.doi.org/10.1094/mpmi-05-19-0142-r.

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Streptomycetes are soil-dwelling, filamentous actinobacteria and represent a prominent bacterial clade inside the plant root microbiota. The ability of streptomycetes to produce a broad spectrum of antifungal metabolites suggests that these bacteria could be used to manage plant diseases. Here, we describe the identification of a soil Streptomyces strain named AgN23 which strongly activates a large array of defense responses when applied on Arabidopsis thaliana leaves. AgN23 increased the biosynthesis of salicylic acid, leading to the development of salicylic acid induction deficient 2 (SID2)-

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Rathor, Pramod, Tudor Borza, Sophia Stone, et al. "A Novel Protein from Ectocarpus sp. Improves Salinity and High Temperature Stress Tolerance in Arabidopsis thaliana." International Journal of Molecular Sciences 22, no. 4 (2021): 1971. http://dx.doi.org/10.3390/ijms22041971.

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Brown alga Ectocarpus sp. belongs to Phaeophyceae, a class of macroalgae that evolved complex multicellularity. Ectocarpus sp. is a dominant seaweed in temperate regions, abundant mostly in the intertidal zones, an environment with high levels of abiotic stresses. Previous transcriptomic analysis of Ectocarpus sp. revealed several genes consistently induced by various abiotic stresses; one of these genes is Esi0017_0056, which encodes a protein with unknown function. Bioinformatics analyses indicated that the protein encoded by Esi0017_0056 is soluble and monomeric. The protein was successfull

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Koprivova, Anna, Stefan Schuck, Richard P. Jacoby, et al. "Root-specific camalexin biosynthesis controls the plant growth-promoting effects of multiple bacterial strains." Proceedings of the National Academy of Sciences 116, no. 31 (2019): 15735–44. http://dx.doi.org/10.1073/pnas.1818604116.

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Plants in their natural ecosystems interact with numerous microorganisms, but how they influence their microbiota is still elusive. We observed that sulfatase activity in soil, which can be used as a measure of rhizosphere microbial activity, is differently affected by Arabidopsis accessions. Following a genome-wide association analysis of the variation in sulfatase activity we identified a candidate gene encoding an uncharacterized cytochrome P450, CYP71A27. Loss of this gene resulted in 2 different and independent microbiota-specific phenotypes: A lower sulfatase activity in the rhizosphere

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18

Epple, Petra, Alberto Vignutelli, Klaus Apel, and Holger Bohlmann. "Differential Induction of the Arabidopsis thaliana Thi2.1 Gene by Fusarium oxysporum f. sp. matthiolae." Molecular Plant-Microbe Interactions® 11, no. 6 (1998): 523–29. http://dx.doi.org/10.1094/mpmi.1998.11.6.523.

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The Arabidopsis thaliana Thi2.1 gene is inducible by necrotrophic fungi through a signal transduction pathway different from that for pathogenesis-related (PR) proteins. We have identified three ecotypes that are susceptible (Col-2, Ler, and Ws) and two ecotypes that are resistant (Mt-0 and Uk-4) to spray inoculation with Fusarium oxysporum f. sp. matthiolae. The Thi2.1 transcript level after infection correlates with resistance, being 5 to 10 times higher in the resistant than in the susceptible ecotypes. The β-glucuronidase (GUS) expression of a Thi2.1-promoter-uidA fusion (with a promoter d

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DARLEY, Catherine P., Olivier C. M. VAN WUYTSWINKEL, Karel VAN DER WOUDE, Willem H. MAGER, and Albertus H. DE BOER. "Arabidopsis thaliana and Saccharomyces cerevisiae NHX1 genes encode amiloride sensitive electroneutral Na+/H+ exchangers." Biochemical Journal 351, no. 1 (2000): 241–49. http://dx.doi.org/10.1042/bj3510241.

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Sodium at high millimolar levels in the cytoplasm is toxic to plant and yeast cells. Sequestration of Na+ ions into the vacuole is one mechanism to confer Na+-tolerance on these organisms. In the present study we provide direct evidence that the ArabidopsisthalianaAt-NHX1 gene and the yeast NHX1 gene encode low-affinity electroneutral Na+/H+ exchangers. We took advantage of the ability of heterologously expressed At-NHX1 to functionally complement the yeast nhx1-null mutant. Experiments on vacuolar vesicles isolated from yeast expressing At-NHX1 or NHX1 provided direct evidence for pH-gradient

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Van Gijsegem, Frédérique, Aleksandra Wlodarczyk, Amandine Cornu, Sylvie Reverchon, and Nicole Hugouvieux-Cotte-Pattat. "Analysis of the LacI Family Regulators of Erwinia chrysanthemi 3937, Involvement in the Bacterial Phytopathogenicity." Molecular Plant-Microbe Interactions® 21, no. 11 (2008): 1471–81. http://dx.doi.org/10.1094/mpmi-21-11-1471.

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Analysis of the regulators of the LacI family was performed in order to identify those potentially involved in pathogenicity of Erwinia chrysanthemi (Dickeya dadantii). Among the 18 members of the LacI family, the function of 11 members is either known or predicted and only 7 members have, as yet, no proposed function. Inactivation of these seven genes, called lfaR, lfbR, lfcR, lfdR, lfeR, lffR, and lfgR, demonstrated that four of them are important for plant infection. The lfaR and lfcR mutants showed a reduced virulence on chicory, Saintpaulia sp., and Arabidopsis. The lfeR mutant showed a r

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Ma, Jingjing, Chunhua Lu, Yajie Tang, and Yuemao Shen. "Phytotoxic Metabolites Isolated from Aspergillus sp., an Endophytic Fungus of Crassula arborescens." Molecules 27, no. 22 (2022): 7710. http://dx.doi.org/10.3390/molecules27227710.

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Aspergillus sp., an endophytic fungus isolated from Crassula arborescens, displayed potent inhibitory activity against the seed germination of Arabidopsis thaliana. The bioactivity-guided fractionation of the culture extract of Aspergillus sp. MJ01 led to the isolation of nine compounds, including one previously undescribed furanone, namely aspertamarinoic acid (1), and eight known compounds, (−)-dihydrocanadensolide (2), kojic acid (3), citreoisocoumarin (4), astellolide A (5), astellolide B (6), astellolide G (7), cyclo-N-methylphenylalanyltryptophenyl (8) and (−)-ditryptophenaline (9). In t

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Bertini, Laura, Michele Perazzolli, Silvia Proietti, et al. "Biodiversity and Bioprospecting of Fungal Endophytes from the Antarctic Plant Colobanthus quitensis." Journal of Fungi 8, no. 9 (2022): 979. http://dx.doi.org/10.3390/jof8090979.

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Microorganisms from extreme environments are considered as a new and valuable reservoir of bioactive molecules of biotechnological interest and are also utilized as tools for enhancing tolerance to (a)biotic stresses in crops. In this study, the fungal endophytic community associated with the leaves of the Antarctic angiosperm Colobanthus quitensis was investigated as a new source of bioactive molecules. We isolated 132 fungal strains and taxonomically annotated 26 representative isolates, which mainly belonged to the Basidiomycota division. Selected isolates of Trametes sp., Lenzites sp., Sis

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Ontiveros-Cisneros, Abraham, Oliver Moss, Alex Van Moerkercke, and Olivier Van Aken. "Evaluation of Antibiotic-Based Selection Methods for Camelina sativa Stable Transformants." Cells 11, no. 7 (2022): 1068. http://dx.doi.org/10.3390/cells11071068.

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Camelina sativa (Camelina) is an oilseed crop that in recent years has gained importance due to its closeness to the plant model organism Arabidopsis thaliana (Arabidopsis), its low agronomical requirements, and the ability to grow under temperate conditions. To explore all the agronomical and biotechnological possibilities of this crop, it is important to evaluate the usability of the molecular procedures currently available for plants. One of the main tools for plant genetic modification and genetic studies is stable plant transformation. In the case of Arabidopsis, as well as Camelina, flor

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Schaffrath, Ulrich, Ernst Freydl, and Robert Dudler. "Evidence for Different Signaling Pathways Activated by Inducers of Acquired Resistance in Wheat." Molecular Plant-Microbe Interactions® 10, no. 6 (1997): 779–83. http://dx.doi.org/10.1094/mpmi.1997.10.6.779.

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Acquired resistance (AR) of wheat (Triticum aestivum) to the powdery mildew fungus Erysiphe graminis f. sp. tritici can be induced either by inoculation with the nonhost pathogen E. graminis f. sp. hordei or by treatment with chemical substances such as benzo(1,2,3)thiodiazole-7-carbothioic acid S-methyl ester (BTH). In the dicotyledonous plants tobacco and Arabidopsis, induction of AR by pathogens and BTH is accompanied by the expression of a characteristic set of genes. Here we report that in wheat, BTH treatment failed to activate genes whose transcripts accumulate after AR induction by non

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Sujkowska-Rybkowska, Marzena, Anna Rusaczonek, Dorota Kasowska, et al. "Potential of Rhizobia Nodulating Anthyllis vulneraria L. from Ultramafic Soil as Plant Growth Promoting Bacteria Alleviating Nickel Stress in Arabidopsis thaliana L." International Journal of Molecular Sciences 23, no. 19 (2022): 11538. http://dx.doi.org/10.3390/ijms231911538.

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Rhizobia, which enter into symbiosis with legumes, can also interact with non-legumes and promote plant growth. In this paper, we explored the effects of nickel (Ni, 200 µM) on Arabidopsis thaliana (Col-0) inoculated with plant growth-promoting (PGP) rhizobia nodulating ultramafic Anthyllis vulneraria. The isolated PGP strains tolerant to Ni were identified as Rhizobium sp. and Bradyrhizobium sp. The isolates highly differed in their PGP abilities and Ni resistance. Without Ni-stress, the plants inoculated with most isolates grew better and had higher photosynthetic efficiency than non-inocula

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Montiel, Grégory, Muriel Gaudet, Françoise Laurans, et al. "Overexpression of MADS-box Gene AGAMOUS-LIKE 12 Activates Root Development in Juglans sp. and Arabidopsis thaliana." Plants 9, no. 4 (2020): 444. http://dx.doi.org/10.3390/plants9040444.

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Until recently, the roles of plant MADS-box genes have mainly been characterized during inflorescence and flower differentiation. In order to precise the roles of AGAMOUS-LIKE 12, one of the few MADS-box genes preferentially expressed in roots, we placed its cDNA under the control of the double 35S CaMV promoter to produce transgenic walnut tree and Arabidopsis plants. In Juglans sp., transgenic somatic embryos showed significantly higher germination rates but abnormal development of their shoot apex prevented their conversion into plants. In addition, a wide range of developmental abnormaliti

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Achouak, W., L. Sutra, T. Heulin, et al. "Pseudomonas brassicacearum sp. nov. and Pseudomonas thivervalensis sp. nov., two root-associated bacteria isolated from Brassica napus and Arabidopsis thaliana." International Journal of Systematic and Evolutionary Microbiology 50, no. 1 (2000): 9–18. http://dx.doi.org/10.1099/00207713-50-1-9.

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Niu, Zaoxia, Lijun Liu, Jinli Yue, et al. "Genome-Wide Identification of GSTs Gene Family and Functional Analysis of BraGSTF2 of Winter Rapeseed (Brassica rapa L.) under Cold Stress." Genes 14, no. 9 (2023): 1689. http://dx.doi.org/10.3390/genes14091689.

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The largest gene families in plants were found to be Glutathione transferases (GSTs), which played significant roles in regulating plant growth, development, and stress response. Within the GSTs gene family, members were found to play a crucial role in the low-temperature response process of plants. A comprehensive study identified a total of 70 BraGSTs genes. Cluster analysis results demonstrated that the BraGSTs in Brassica rapa (B. rapa) could be categorized into eight sub-families and were unevenly distributed across ten chromosomes. The 39 BraGSTs genes were found to be organized into 15

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Wu, Qiqi, Mingfu Gao, Hao Sun, Weichao Yang, and Hui Xu. "2-Keto-L-Gulonic Acid Enhances Cold Stress Tolerance in Arabidopsis thaliana via Augmentation of Ascorbic Acid Biosynthesis and Antioxidant Defense Systems." Agronomy 14, no. 9 (2024): 2149. http://dx.doi.org/10.3390/agronomy14092149.

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Cold stress severely impairs plant growth, development, and yields. L-ascorbic acid (ASA), a crucial antioxidant, is pivotal in mitigating stress-induced damage. Previous research found that 2-keto-L-gulonic acid (2KGA), a precursor of ASA in its industrial production, effectively enhances the endogenous ASA content in plants. We hypothesized that 2KGA might alleviate chilling stress and tried to verify it through a cultivation experiment of Arabidopsis thaliana. The results demonstrate that the application of 2KGA significantly increased ASA content (24.58%) and up-regulated ASA biosynthetic

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Gawehns, F., P. M. Houterman, F. Ait Ichou, et al. "The Fusarium oxysporum Effector Six6 Contributes to Virulence and Suppresses I-2-Mediated Cell Death." Molecular Plant-Microbe Interactions® 27, no. 4 (2014): 336–48. http://dx.doi.org/10.1094/mpmi-11-13-0330-r.

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Plant pathogens secrete effectors to manipulate their host and facilitate colonization. Fusarium oxysporum f. sp. lycopersici is the causal agent of Fusarium wilt disease in tomato. Upon infection, F. oxysporum f. sp. lycopersici secretes numerous small proteins into the xylem sap (Six proteins). Most Six proteins are unique to F. oxysporum, but Six6 is an exception; a homolog is also present in two Colletotrichum spp. SIX6 expression was found to require living host cells and a knockout of SIX6 in F. oxysporum f. sp. lycopersici compromised virulence, classifying it as a genuine effector. Het

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Li, Huimin, Wei Gao, Yi Tang, and Xiaotian Guo. "HD-6mAPred: a hybrid deep learning approach for accurate prediction of N6-methyladenine sites in plant species." PeerJ 13 (May 15, 2025): e19463. https://doi.org/10.7717/peerj.19463.

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Background N6-methyladenine (6mA) is an important DNA methylation modification that serves a crucial function in various biological activities. Accurate prediction of 6mA sites is essential for elucidating its biological function and underlying mechanism. Although existing methods have achieved great success, there remains a pressing need for improved prediction accuracy and generalization cap ability across diverse species. This study aimed to develop a robust method to address these challenges. Methods We proposed HD-6mAPred, a hybrid deep learning model that combines bidirectional gated rec

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Kalogeropoulou, Eleni, Konstantinos A. Aliferis, Sotirios E. Tjamos, Irene Vloutoglou, and Epaminondas J. Paplomatas. "Combined Transcriptomic and Metabolomic Analysis Reveals Insights into Resistance of Arabidopsis bam3 Mutant against the Phytopathogenic Fungus Fusarium oxysporum." Plants 11, no. 24 (2022): 3457. http://dx.doi.org/10.3390/plants11243457.

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The wilt-inducing strains of Fusarium oxysporum are responsible for severe damage to many economically important plant species. The most cost-effective and environmentally safe method for the management of Fusarium wilt is the use of resistant cultivars when they are available. In the present study, the Arabidopsis genotype with disruptions in the β-amylase 3 (BAM3) gene, which encodes the major hydrolytic enzyme that degrades starch to maltose, had significantly lower susceptibility to Fusarium oxysporum f. sp. raphani (For) compared to wild-type (wt) plants. It showed the lowest disease seve

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Manh Tuong, Ho, Sonia Garcia Mendez, Michiel Vandecasteele, et al. "Stenotrophomonas sp. SRS1 promotes growth of Arabidopsis and tomato plants under salt stress conditions." Plant and Soil 473, no. 1-2 (2022): 547–71. http://dx.doi.org/10.1007/s11104-022-05304-9.

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Collakova, Eva, and Dean DellaPenna. "Isolation and Functional Analysis of Homogentisate Phytyltransferase from Synechocystis sp. PCC 6803 and Arabidopsis." Plant Physiology 127, no. 3 (2001): 1113–24. http://dx.doi.org/10.1104/pp.010421.

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Savidge, Beth, James D. Weiss, Yun-Hua H. Wong, et al. "Isolation and Characterization of Homogentisate Phytyltransferase Genes from Synechocystis sp. PCC 6803 and Arabidopsis." Plant Physiology 129, no. 1 (2002): 321–32. http://dx.doi.org/10.1104/pp.010747.

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Fu, Xiao-Yan, Wei Zhao, Ai-Sheng Xiong, et al. "Phytoremediation of triphenylmethane dyes by overexpressing a Citrobacter sp. triphenylmethane reductase in transgenic Arabidopsis." Applied Microbiology and Biotechnology 97, no. 4 (2012): 1799–806. http://dx.doi.org/10.1007/s00253-012-4106-0.

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Dumack, Kenneth, Sebastian Flues, Karoline Hermanns, and Michael Bonkowski. "Rhogostomidae (Cercozoa) from soils, roots and plant leaves (Arabidopsis thaliana): Description of Rhogostoma epiphylla sp. nov. and R. cylindrica sp. nov." European Journal of Protistology 60 (August 2017): 76–86. http://dx.doi.org/10.1016/j.ejop.2017.06.001.

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Chu, Thanh Nguyen, Le Van Bui, and Minh Thi Thanh Hoang. "Pseudomonas PS01 Isolated from Maize Rhizosphere Alters Root System Architecture and Promotes Plant Growth." Microorganisms 8, no. 4 (2020): 471. http://dx.doi.org/10.3390/microorganisms8040471.

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The objectives of this study were to evaluate the plant growth promoting effects on Arabidopsis by Pseudomonas sp. strains associated with rhizosphere of crop plants grown in Mekong Delta, Vietnam. Out of all the screened isolates, Pseudomonas PS01 isolated from maize rhizosphere showed the most prominent plant growth promoting effects on Arabidopsis and maize (Zea mays). We also found that PS01 altered root system architecture (RSA). The full genome of PS01 was resolved using high-throughput sequencing. Phylogenetic analysis identified PS01 as a member of the Pseudomonas putida subclade, whic

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Assaad, Farhah F., Jin-Long Qiu, Heather Youngs, et al. "The PEN1 Syntaxin Defines a Novel Cellular Compartment upon Fungal Attack and Is Required for the Timely Assembly of Papillae." Molecular Biology of the Cell 15, no. 11 (2004): 5118–29. http://dx.doi.org/10.1091/mbc.e04-02-0140.

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Attack by the host powdery mildew Erysiphe cichoracearum usually results in successful penetration and rapid proliferation of the fungus on Arabidopsis. By contrast, the nonhost barley powdery mildew Blumeria graminis f. sp. hordei (Bgh) typically fails to penetrate Arabidopsis epidermal cells. In both instances the plant secretes cell wall appositions or papillae beneath the penetration peg of the fungus. Genetic screens for mutations that result in increased penetration of Bgh on Arabidopsis have recently identified the PEN1 syntaxin. Here we examine the role of PEN1 and of its closest homol

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Barriuso, J., B. Ramos Solano, and F. J. Gutiérrez Mañero. "Protection Against Pathogen and Salt Stress by Four Plant Growth-Promoting Rhizobacteria Isolated from Pinus sp. on Arabidopsis thaliana." Phytopathology® 98, no. 6 (2008): 666–72. http://dx.doi.org/10.1094/phyto-98-6-0666.

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The ability of four plant growth-promoting rhizobacteria, isolated in a previous study, to induce systemic resistance on Arabidopsis thaliana Col 0 against biotic and abiotic stress was evaluated. All the bacteria enhanced protection against the foliar pathogen Pseudomonas syringae DC3000 and increased plant tolerance to salt stress (NaCl 60 mM). Bacillus sp. strain L81 and Arthrobacter oxidans strain BB1 performed best with a decrease in the disease index of 61.2 and 52.3%, respectively, and a reduction in the mortality due to salt stress of 72.4 and 57.8%, respectively. Additionally, signifi

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Li, Jitao, Nian Wang, Lina Wang, Haiping Xin, and Shaohua Li. "Molecular Cloning and Characterization of the HOS1 Gene from ‘Muscat Hamburg’ Grapevine." Journal of the American Society for Horticultural Science 139, no. 1 (2014): 54–62. http://dx.doi.org/10.21273/jashs.139.1.54.

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Cold stress is an important factor that limits grape (Vitis sp.) production around the world. The high expression of osmotically responsive genes 1 (HOS1) protein acts as a repressor of cold-responsive genes in plants. To increase understanding of mechanism regulating cold tolerance in grape, we isolated and characterized a novel HOS1 gene, designated VvHOS1 from ‘Muscat Hamburg’ grapevine (Vitis vinifera). Real-time polymerase chain reaction (PCR) analysis revealed that the expression of VvHOS1 could be induced by the application of exogenous abscisic acid and various abiotic environmental co

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Yin, Chuntao, Jeong-Jin Park, David R. Gang, and Scot H. Hulbert. "Characterization of a Tryptophan 2-Monooxygenase Gene from Puccinia graminis f. sp. tritici Involved in Auxin Biosynthesis and Rust Pathogenicity." Molecular Plant-Microbe Interactions® 27, no. 3 (2014): 227–35. http://dx.doi.org/10.1094/mpmi-09-13-0289-fi.

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The plant hormone indole-3-acetic acid (IAA) is best known as a regulator of plant growth and development but its production can also affect plant–microbe interactions. Microorganisms, including numerous plant-associated bacteria and several fungi, are also capable of producing IAA. The stem rust fungus Puccinia graminis f. sp. tritici induced wheat plants to accumulate auxin in infected leaf tissue. A gene (Pgt-IaaM) encoding a putative tryptophan 2-monooxygenase, which makes the auxin precursor indole-3-acetamide (IAM), was identified in the P. graminis f. sp. tritici genome and found to be

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Lopez, Julius Adam V., Toshihiko Nogawa, Kazuko Yoshida, Yushi Futamura, and Hiroyuki Osada. "2-Methylthio-N7-methyl-cis-zeatin, a new antimalarial natural product isolated from a Streptomyces culture." Bioscience, Biotechnology, and Biochemistry 86, no. 1 (2021): 31–36. http://dx.doi.org/10.1093/bbb/zbab192.

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ABSTRACT 2-Methylthio-N7-methyl-cis-zeatin (1) was isolated from the culture broth of Streptomyces sp. 80H647 along with 2 known purine derivatives, 5′-methylthioinosine (2) and AT-265 (dealanylascamycin, 3). The structure elucidation of compound 1 was accomplished by high-resolution mass spectrometry (HRMS) and nuclear magnetic resonance (NMR) analyses. It inhibited the growth of Plasmodium falciparum 3D7 with a GI50 of 2.4 µm and had no effect on the growth of Arabidopsis at 2 µm. This is the first report of an N7-methylated zeatin-type natural product from Streptomyces and as an antimalaria

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Qi, Qungang, Ming Hao, Wing-on Ng, et al. "Application of the Synechococcus nirA Promoter To Establish an Inducible Expression System for Engineering the Synechocystis Tocopherol Pathway." Applied and Environmental Microbiology 71, no. 10 (2005): 5678–84. http://dx.doi.org/10.1128/aem.71.10.5678-5684.2005.

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ABSTRACT Tocopherols are important antioxidants in lipophilic environments. They are synthesized by plants and some photosynthetic bacteria. Recent efforts to analyze and engineer tocopherol biosynthesis led to the identification of Synechocystis sp. strain PCC 6803 as a well-characterized model system. To facilitate the identification of the rate-limiting step(s) in the tocopherol biosynthetic pathway through the modulation of transgene expression, we established an inducible expression system in Synechocystis sp. strain PCC 6803. The nirA promoter from Synechococcus sp. strain PCC 7942, whic

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Hamon, Perla, Jean-Paul Brizard, Jeanne Zoundjihékpon, Christophe Duperray, and Alain Borgel. "Étude des index d'ADN de huit espèces d'ignames (Dioscorea sp.) par cytométrie en flux." Canadian Journal of Botany 70, no. 5 (1992): 996–1000. http://dx.doi.org/10.1139/b92-123.

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Nine species (wild and cultivated) and some interspecific (wild × cultivated) hybrids were analysed by flow cytometry. This study confirms various polyploidy levels within cultivated species. DNA index varied by a factor of 1 to 3 for Dioscorea alata, 1 to 2.25 for Dioscorea bulbifera, and 1 to 2 for Dioscorea cayenensis-rotundata, depending on the clone or cultivar considered. In wild species, only one DNA index per species was obtained. Whenever a relationship between DNA index and chromosome number could be established, the size of genome 1C was evaluated in picograms and base pairs. Two ge

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Muñoz-Carrillo, Mariana Georgina, Cristina Garcidueñas-Piña, Melannie Montserrat Pedroza-Jimenez, et al. "Toxicity of Silver Nanoparticles Synthesized from Opuntia ficus-indica on Danio rerio and Arabidopsis thaliana and Their Antimicrobial Activity." Journal of Nanomaterials 2023 (October 5, 2023): 1–11. http://dx.doi.org/10.1155/2023/6903787.

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Silver nanoparticles (AgNPs) usefulness has been widely demonstrated in fields such as agriculture, medicine, food, and pharmaceutical industries, primarily for their antibacterial properties. AgNPs synthesized from biological extracts are as effective as those obtained by chemical methods, with the advantage that in the former fewer toxic compounds are generated for the environment. In a previous work, we synthesized AgNPs from the aqueous extract of Opuntia ficus-indica fruit peel (OfAgNPs) and tested their activity against microorganisms from a wastewater treatment plant. OfAgNPs were propo

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Yadeta, Koste A., Mathieu Hanemian, Patrick Smit, et al. "The Arabidopsis thaliana DNA-Binding Protein AHL19 Mediates Verticillium Wilt Resistance." Molecular Plant-Microbe Interactions® 24, no. 12 (2011): 1582–91. http://dx.doi.org/10.1094/mpmi-04-11-0090.

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Verticillium spp. are destructive soilborne fungal pathogens that cause vascular wilt diseases in a wide range of plant species. Verticillium wilts are particularly notorious, and genetic resistance in crop plants is the most favorable means of disease control. In a gain-of-function screen using an activation-tagged Arabidopsis mutant collection, we identified four mutants, A1 to A4, which displayed enhanced resistance toward the vascular wilt species Verticillium dahliae, V. albo-atrum and V. longisporum but not to Fusarium oxysporum f. sp. raphani. Further testing revealed that mutant A2 dis

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Islam, Md Tofazzal, Yasuyuki Hashidoko, Abhinandan Deora, Toshiaki Ito, and Satoshi Tahara. "Suppression of Damping-Off Disease in Host Plants by the Rhizoplane Bacterium Lysobacter sp. Strain SB-K88 Is Linked to Plant Colonization and Antibiosis against Soilborne Peronosporomycetes." Applied and Environmental Microbiology 71, no. 7 (2005): 3786–96. http://dx.doi.org/10.1128/aem.71.7.3786-3796.2005.

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ABSTRACT We previously demonstrated that xanthobaccin A from the rhizoplane bacterium Lysobacter sp. strain SB-K88 suppresses damping-off disease caused by Pythium sp. in sugar beet. In this study we focused on modes of Lysobacter sp. strain SB-K88 root colonization and antibiosis of the bacterium against Aphanomyces cochlioides, a pathogen of damping-off disease. Scanning electron microscopic analysis of 2-week-old sugar beet seedlings from seeds previously inoculated with SB-K88 revealed dense colonization on the root surfaces and a characteristic perpendicular pattern of Lysobacter coloniza

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Lenk, Miriam, Marion Wenig, Felicitas Mengel, Finni Häußler, and A. Vlot. "Arabidopsis thaliana Immunity-Related Compounds Modulate Disease Susceptibility in Barley." Agronomy 8, no. 8 (2018): 142. http://dx.doi.org/10.3390/agronomy8080142.

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Plants are exposed to numerous pathogens and fend off many of these with different phytohormone signalling pathways. Much is known about defence signalling in the dicotyledonous model plant Arabidopsisthaliana, but it is unclear to which extent knowledge from model systems can be transferred to monocotyledonous plants, including cereal crops. Here, we investigated the defence-inducing potential of Arabidopsis resistance-inducing compounds in the cereal crop barley. Salicylic acid (SA), folic acid (Fol), and azelaic acid (AzA), each inducing defence against (hemi-)biotrophic pathogens in Arabid

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Chen, Hui, Jin Xu, Dengke Shao, et al. "Growth Promotion of Rice and Arabidopsis thaliana by Volatile Organic Compounds Produced by Endophytic Clonostachys Species." Journal of Fungi 10, no. 11 (2024): 754. http://dx.doi.org/10.3390/jof10110754.

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Plant–endophytic fungi are widely distributed and highly diverse, with many of them capable of influencing plant growth and development, which is related to the production of volatile organic compounds (VOCs). While certain fungal VOCs have been found to stimulate plant growth, others exhibit inhibitory effects. Importantly, the impact of fungal VOCs extends beyond host plants to affect non-host plants as well. In this study, we isolated two plant–endophytic fungi, Clonostachys sp. CC1 and Clonostachys sp. CC2, from healthy rice roots. These strains were co-cultured with both rice and Arabidop

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