Dataset Information

TMT Proteomics in Z9 and E9 under Salt Stress

ABSTRACT: The impact of soil salinity on the growth, development, and yield of upland cotton. To elucidate the molecular mechanism of salt tolerance in upland cotton seedlings, proteomic methods were employed to study the proteomic characteristics of upland cotton leaves at the three-leaf stage after 12 hours of 0.4% NaCl stress, and candidate proteins related to salt tolerance were subsequently screened.

ORGANISM(S): Gossypium Hirsutum

SUBMITTER: Shoupu He

PROVIDER: PXD058796 | iProX | Wed Dec 11 00:00:00 GMT 2024

REPOSITORIES: iProX

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Publications

Evaluation of Salt-Tolerant Germplasms and Identification of Salt Tolerance-Related Proteins in Upland Cotton at the Seedling Stage.

Li Xiawen X Rehman Abdul A Wang Zhenzhen Z Li Hongge H Ma Jun J Du Xiongming X Peng Zhen Z He Shoupu S

International journal of molecular sciences 20250225 5

Currently, developing cotton cultivation in saline-alkali soils is a vital focus for restructuring the cotton industry in China. The seedling stage, specifically the three-leaf stage, is a crucial period for assessing the salt tolerance of cotton. This research examined 430 natural populations of upland cotton, including 45 semi-wild germlines of <i>Gossypium purpurascens</i>. We measured the phenotypic responses of salt stress injury on seedlings as well as potassium (K), calcium (Ca), sodium ( ...[more]

PMID: 40076608

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Project description:Five allotetraploid cotton species have adapted, through their transcriptional responses, to unique environments with distinct levels of inherent abiotic stresses. The transcriptional responses of leaf and root tissue in five allotetraploid cotton species (Gossypium hirsutum, G. barbadense, G. tomentosum, G. mustelinum, and G. darwinii) under salt stress have been investigated in this study using cotton long oligonucleotide microarrays. Physiological responses to salinity such as stomatal conductance, ion and osmoprotectant contents were also measured as indicators of imposed stress. Accessions from these five cotton species were hydroponically grown and gradually introduced to a NaCl treatment (15 dS m-1). The microarray results identified 2721 and 2460 differentially expressed genes under salt stress that were significant in leaf and root tissue, respectively. Many of these genes were classified under gene ontology (GO) categories that suggest abiotic stress. These allotetraploid cottons shared transcriptional responses to salinity, but also showed responses that were species-specific. No consistent differences in transcriptional response among the previously estimated phylogenetic branches were found. Stomatal conductance, ion accumulation, and betaine, trigonelline, and trehalose contents also indicated salt stress. This global assessment of transcriptional and physiological responses to salt stress of these cotton species may identify possible gene targets for crop improvement and evolutionary studies of cotton. Keywords: CEGC Cotton oligo salt stress The transcriptional responses of leaf and root tissue in five allotetraploid cotton species (Gossypium hirsutum, G. barbadense, G. tomentosum, G. mustelinum, and G. darwinii) under salt stress have been investigated in this study using cotton long oligonucleotide microarrays. Physiological responses to salinity such as stomatal conductance, ion and osmoprotectant contents were also measured as indicators of imposed stress. Accessions from these five cotton species were hydroponically grown and gradually introduced to a NaCl treatment (15 dS m-1).

Dataset Information

TMT Proteomics in Z9 and E9 under Salt Stress

Publications

Evaluation of Salt-Tolerant Germplasms and Identification of Salt Tolerance-Related Proteins in Upland Cotton at the Seedling Stage.

Similar Datasets

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