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P. syringae pv. phaseolicola NPS3121 responses to bean pod extract

ABSTRACT: P. syringae pv. phaseolicola is the causal agent of the halo blight disease of beans (Phaseolus vulgaris L). The disease attacks both foliage and pods of plant host. Many genes involve in pathogenicity and virulence are induced only in plant or in the presence of host components. In this work we investigated the effect of bean pod extract on the transcriptomic profile of the bacterium, when grown at low temperature in minimal medium with or without bean pod extract.

ORGANISM(S): Pseudomonas savastanoi pv. phaseolicola

PROVIDER: GSE14625 | GEO | 2009/03/03

SECONDARY ACCESSION(S): PRJNA112275

REPOSITORIES: GEO

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P. syringae pv. phaseolicola NPS3121 responses to bean pod extract

Project description:P. syringae pv. phaseolicola is the causal agent of the halo blight disease of beans (Phaseolus vulgaris L). The disease attacks both foliage and pods of plant host. Many genes involve in pathogenicity and virulence are induced only in plant or in the presence of host components. In this work we investigated the effect of bean pod extract on the transcriptomic profile of the bacterium, when grown at low temperature in minimal medium with or without bean pod extract. Two RNA samples were compared, one prepared from cells grown in minimal medium M9 and the other from cells grown in minimal medium supplemented with bean pod extract.To control de biological variation that might interfere with data interpretation, a minimum of three biological replicates and two technical replicates (swap) were prepared.

2010-05-22 | E-GEOD-14625 | biostudies-arrayexpress

P. syringae pv. phaseolicola NPS3121 responses to bean leaf extract

Project description:Many genes involve in pathogenicity and virulence are induced only in plant or in the presence of host components. Bean leaf extract was obtained from healthy bean leaves. In this work we investigated the effect of bean leaf extract on the transcriptomic profile of the bacterium, when grown at low temperature in minimal medium with or without extract from healthy bean leaves.

2009-03-03 | GSE14998 | GEO

Recognition and fine genetic mapping of the golden pod gene (pv-ye) from the common bean (Phaseolus vulgaris L.)

Project description:The pod is the main edible part of Phaseolus vulgaris L. (common bean). The commercial use of the pods is mainly affected by their color. Consumers seem to prefer golden pods. However, planters suffer economic losses because of pod color instability. The aim of the present study was to identify the gene responsible for the golden pod trait in the common bean. ‘A18-1’ (a golden bean line) and ‘Renaya’ (a green bean line) were chosen as the experimental materials. Genetic analysis indicated that a single recessive gene, pv-ye, controls the golden pod trait. A candidate region of 4.24-Mb was mapped to chromosome A02 using bulked-segregant analysis coupled to whole genome sequencing. In this region, linkage analysis in an F2 population localized the pv-ye gene to an interval of 182.9-kb between the simple sequence repeat markers SSR77 and SSR93. This region comprised 16 genes in this region, comprising 12 annotated genes from the P. vulgaris database, and 4 functionally unknown genes. Combined with transcriptome sequencing, we identified Phvul.002G006200 as the potential candidate gene for pv-ye. Sequencing of Phvul.002G006200 identified a single nucleotide polymorphism (SNP) in pv-ye. This SNP is located in the coding region and is responsible for substituting a glutamic acid with an glutamine at position 416 of the pv-ye protein (E416Q). A pair of primers covering the SNP was designed and the fragment was sequenced to screen 316 F2 plants with the ‘A18-1’ phenotype, based on the different site. Our findings showed that the among the 316 mapped individuals, the SNP cosegregated with the ‘A18-1’ phenotype. The findings presented here could form the basis to reveal the mechanism of the golden pod trait in the common bean at the molecular level.

2020-10-12 | GSE159374 | GEO

Pseudomonas savastanoi pv. phaseolicola

Project description:P. syringae pv. phaseolicola NPS3121 responses to bean pod extract

| PRJNA112275 | ENA

Pod size regulator in soybean (Glycine max L. Merr.): heat shock protein 70 is associated with duration of cell proliferation in early pod development

Project description:Pod size varies among soybean cultivars, but the mechanism is largely unknown. We investigated pod size differences between two cultivars. The larger pod of ‘Tachinagaha’ was due to longer cell proliferation activity than in the shorter pod of ‘Iyodaizu’. Pod size of soybean 9 (GmPSS9), a member of the heat shock protein 70 family, was detected in a major QTL (qPSS on Chr. 2) as a candidate gene for determining pod length by QTL and expression QTL analysis. Expression of GmPSS9 in pods was higher in ‘Tachinagaha’ than in ‘Iyodaizu’ and was highest in early pod development. The difference in expression resulted from an indel polymorphism, Tachinagaha-specific-1, which has a 5′-UTR Py-rich stretch motif that boosts transcription. Treatment with an HSP70 inhibitor reduced plant height, pod length, and pod cell number. Our results identify GmPSS9 as a target gene for pod length which regulates cell number during early pod development.

2021-04-01 | GSE136772 | GEO

Pseudomonas phaseolicola preferentially modulates genes encoding leucine rich repeat and malectin domains in the bean landrace G2333

Project description:Common bean (Phaseolus vulgaris L.) is an important crop both as a source of protein and other nutrients for human nutrition and as a nitrogen fixer that benefits sustainable agriculture. This crop is affected by halo blight disease, caused by the bacterium Pseudomonas syringae pv. phaseolicola (Pph), which can lead to 45% yield losses. The resistance of common bean to Pph is conferred by six loci (Pse-1 to Pse-6) and minor-effect quantitative trait loci (QTLs); however, information is lacking on the molecular mechanisms implicated in this pathosystem. Here, we describe an in-depth RNA-sequencing analysis of the tolerant G2333 bean line in response to the Pph strain NPS3121. We identified 275 upregulated and 357 downregulated genes in common bean in response to Pph infection. These differentially expressed genes were mapped to all 11 chromosomes of P. vulgaris. The upregulated genes were primarily components of plant immune responses and negative regulation of photosynthesis, with enrichment for leucine-rich repeat (LRRs) and/or malectin-like carbohydrate-binding. Interestingly, LRRs and malectin genes mapped to same location as previously identified Pph resistance loci or QTLs. For instance, the major loci Pse-6/HB4.2 involved in broad-resistance to many Pph races, co-located with induced LRR-encoding genes on Pv04. These findings indicate a coordinated modulation of genes involved in pathogen perception and signal transduction. In addition, the results further support these LRR/malectin loci as resistance genes in response to halo blight. Thus, these genes are potential targets for future genetic manipulation, enabling the introduction of resistance to Pph into elite cultivars of common bean.

2022-07-06 | GSE173535 | GEO

Pseudomonas savastanoi pv. phaseolicola

Project description:P. syringae pv. phaseolicola NPS3121 responses to bean leaf extract

| PRJNA111851 | ENA

P. syringae pv. phaseolicola NPS3121 responses to apoplastic fluid of bean leaf

Project description:Many genes involve in pathogenicity and virulence are induced only in plant or in the presence of host components. Plant apoplast is the primary site of infection for P. syringae, which obtain nutrients directly from apoplastic fluid of host plants. In this work we investigated the effect of apoplastic fluid on the transcriptomic profile of the bacterium, when grown at low temperature in minimal medium with or without apoplastic fluid extracted from healthy bean leaves.

2009-03-03 | GSE14983 | GEO

Transcriptome Characterization of developing bean (Phaseolus vulgaris L.) pods from two genotypes with contrasting seed zinc concentrations.

Project description:Dry bean (Phaseolus vulgaris L.) seeds are a rich source of dietary zinc, especially for people consuming plant-based diets. Within P. vulgaris there is at least two-fold variation in seed Zn concentration. Genetic studies have revealed seed Zn differences to be controlled by a single gene in two closely related navy bean genotypes, Albion and Voyager. In this study, these two genotypes were grown under controlled fertilization conditions and the Zn concentration of various plant parts were determined. The two genotypes had similar levels of Zn in their leaves and pods but Voyager had 52% more Zn in its seeds than Albion. RNA was sequence from developing pods of both genotypes. Transcriptome analysis of these genotypes identified 27,198 genes in the developing bean pods, representing 86% of the genes in the P. vulgaris genome (v 1.0 DOE-JGI and USDA-NIFA). Expression was detected in 18,438 genes. A relatively small number of genes (381) were differentially expressed between Albion and Voyager. Differentially expressed genes included three genes potentially involved in Zn transport, including zinc-regulated transporter, iron regulated transporter like (ZIP), zinc-induced facilitator (ZIF) and heavy metal associated (HMA) family genes. In addition 12,118 SNPs were identified between the two genotypes. Of the gene families related to Zn and/or Fe transport, eleven genes were found to contain SNPs between Albion and Voyager.

2015-03-24 | GSE67121 | GEO

Transcription profiling of Medicago truncatula time series of flower and pod development

Project description:To study the development of flowers and pods in Medicago truncatula, eight stages of flower and pod development (designated F1-F4 and P1-P4, respectively) were chosen for tissue harvesting. As a common reference, young but already fully developed leaves (corresponding to the third-distant node from the apices) from plants grown in the field were selected. For each stage of flower and pod development, two biological replicates were harvested, one from plants grown in the greenhouse and one from plants grown in the field.

2005-05-31 | E-MEXP-143 | biostudies-arrayexpress

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