Unknown,Transcriptomics,Genomics,Proteomics

Dataset Information

Global gene expression analysis of cotton (Gossypium hirsutum L.) under drought stress in leaf tissue and during fibre development stages.

ABSTRACT: This SuperSeries is composed of the following subset Series: GSE29566: Global gene expression analysis of cotton (Gossypium hirsutum L.) under drought stress in leaf tissue. GSE29567: Global gene expression analysis of cotton (Gossypium hirsutum L.) under drought stress during fibre development stages. Refer to individual Series

ORGANISM(S): Gossypium hirsutum

SUBMITTER: Padmalatha K.V.

PROVIDER: E-GEOD-29810 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Genome-wide transcriptomic analysis of cotton under drought stress reveal significant down-regulation of genes and pathways involved in fibre elongation and up-regulation of defense responsive genes.

Padmalatha Kethireddy Venkata KV Dhandapani Gurusamy G Kanakachari Mogilicherla M Kumar Saravanan S Dass Abhishek A Patil Deepak Prabhakar DP Rajamani Vijayalakshmi V Kumar Krishan K Pathak Ranjana R Rawat Bhupendra B Leelavathi Sadhu S Reddy Palakolanu Sudhakar PS Jain Neha N Powar Kasu N KN Hiremath Vamadevaiah V Katageri Ishwarappa S IS Reddy Malireddy K MK Solanke Amolkumar U AU Reddy Vanga Siva VS Kumar Polumetla Ananda PA

Plant molecular biology 20111207 3

Cotton is an important source of natural fibre used in the textile industry and the productivity of the crop is adversely affected by drought stress. High throughput transcriptomic analyses were used to identify genes involved in fibre development. However, not much information is available on cotton genome response in developing fibres under drought stress. In the present study a genome wide transcriptome analysis was carried out to identify differentially expressed genes at various stages of f ...[more]

PMID: 22143977

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Project description:Systems responses of mature leaves from 4 reference cultivars of a larger collection of European potato cultivars (Solanum tuberosum L.) are investigated by metabolome profiling and RNA-Sequencing. The chosen reference cultivars, Milva, Alegria, Desiree, and Saturna, vary in ascending order in regard to drought tolerance. Systems analyses are based on 3 independent field trials and 3 paralleled greenhouse trials. Robust responses across all cultivars and conditions to natural seasonal drought stress comprise proline, raffinose, galactinol, arabitol, arabinonic acid, chlorogenic acid, and 102 transcripts which consist to a high proportion of heat shock proteins and genes with signaling or regulatory functions, such as a homolog of abscisic acid receptor PYL4. Constitutive differences of the tolerant cultivars, Desiree and Saturna, compared to the sensitive cultivars include arbutin (hydroquinone-beta-D-glucopyranoside), octopamine (p-hydroxyphenylethanolamine), ribitol and 248 differential transcripts. Many of these transcripts are disease related, receptor kinases, or regulatory genes, for example a homolog of the Arabidopsis FOUR LIPS MYB-regulator of stomatal cell proliferation. Functional enrichment analyses imply that heat stress is a major acclimation component of potato leaves to agronomical relevant drought stress. Enhanced leaf heat stress is a result of drought caused by loss of transpiration cooling. This effect and CO2-limitation are the main dilemmas of drought- or ABA-induced stomatal closure. Constitutive differences between tolerant and sensitive cultivars indicate partially synergistic interactions of drought and biotic stress responses. We suggest that drought tolerance of the potato reference cultivars may be caused by general resistance mechanisms which are part of previously selected pathogen tolerance. Transcriptome profiling by RNA-sequencing of 48 leaf samples from 4 potato cultivars grown under control or drought stress conditions in 6 independent experiments

Dataset Information

Global gene expression analysis of cotton (Gossypium hirsutum L.) under drought stress in leaf tissue and during fibre development stages.

Publications

Genome-wide transcriptomic analysis of cotton under drought stress reveal significant down-regulation of genes and pathways involved in fibre elongation and up-regulation of defense responsive genes.

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