Glycine max
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA108439 | ENA |
REPOSITORIES: ENA
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Project description:Our results showed that hundreds of differentially expressed genes (DEGs) were detected in floral sex initiation period, but thousands of DEGs were involved in stamens and ovules development process. Moreover, the DEGs were mainly showed up-regulation in male floral initiation, but mainly down-regulation in female floral initiation. Male floral initiation was associated with the flavonoid biosynthesis pathway while female floral initiation was related to the phytohormone signal transduction pathway. In addition, the floral organ identity genes played important roles in floral sex differentiation process and displayed a general conservation of the ABCDE model in J. curcas.
2018-03-21 | GSE102894 | GEO
Project description:Exploration of microarrays as tools to assess substantial equivalence of genetically modified soybeans
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Project description:Transcriptome analysis of chitin-treated soybeans (Glycine max)
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Project description:Glycine max was cultivated in China for nearly 5000 years, commonly referred to as soybeans, now it has become one of the important economic crops in the world (Li et al., 2008). Post-translational modifications are known to regulate many cellular processes, which are dynamic and reversible and can make protein functions changed.(Westermann and Weber, 2003). To date, among 400 PTMs have been detected, such as Acetylation, Ubiquitination, Phosphorylation, Malonylation, Succinylation and Methylation(Colak et al., 2013; Weinert et al., 2013).
2020-11-16 | PXD021246 | Pride
Project description:The transition to flowering is characterized by a shift of the shoot apical meristem (SAM) from leaf production to the initiation of a floral meristem. In this study, we addressed the nature of SAM gene networks involved in the early floral initiation process in the crop legume soybean. Unique aspects (such as pod development and nitrogen fixation) of legume development make them appealing for plant development studies. Soybean, a major oilseed crop, possesses varied maturity groups; hence, understanding and unravelling initial transition control has implications in manipulating crop yield. To this end, we performed global gene expression analysis using Affymetrix® soybean GeneChip® with RNA isolated from micro-dissected soybean SAMs at various time points after plants were shifted from long-day to short-day growth conditions. Analysis of the resulting microarray data revealed a total of 331 transcripts that have differential expression profiles. Intriguingly, about 20% of the transcripts affected by the switch in the development program have orthologs reported to be responsive to abscisic acid (ABA), suggesting an increase in ABA levels in the SAM during this developmental change. A subsequent immunoassay verified this, thereby implicating its possible function as an endogenous signal during the floral evocation process. The striking occurrence of abiotic stress-related transcripts, including trehalose metabolism genes, in SAMs during the early transition to floral meristems points to an overlap of abiotic stress and floral signalling pathways in soybean. In addition, other hormones - auxin, jasmonic acid and brassinosteroids - and a number of candidate protein kinases may also act in the signalling process prior to or concurrently with the induction of the putative floral homeiotic transcripts. This indicates that molecular events mediated by multiple hormonal pathways are part of the mechanism employed by soybean to regulate the floral transition process. Keywords: transcript profiling floral transition soybean shoot apical meristem
2009-01-17 | GSE10251 | GEO
Project description:The MADS-domain transcription factor APETALA1 (AP1) is a key regulator of Arabidopsis flower development. To understand the molecular mechanisms underlying AP1 function, we identified its target genes during floral initiation using a combination of gene expression profiling and genome-wide binding studies. Many of its targets encode transcriptional regulators, including known floral repressors. The latter genes are down-regulated by AP1, suggesting that it initiates floral development by abrogating the inhibitory effects of these genes. While AP1 acts predominantly as a transcriptional repressor during the earliest stages of flower development, regulatory genes known to be required for floral organ formation were found to be activated by AP1 at more advanced stages, indicating a dynamic mode of action. Our results further imply that AP1 orchestrates floral initiation by integrating growth, patterning and hormonal pathways.
2010-04-02 | GSE20176 | GEO