Proteomics

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ITRAQ-based quantitative proteomic analysis reveals new metabolic pathways responding to cold stress in two Winter Turnip Rape (Brassica rapa L.), part 2


ABSTRACT: Winter turnip rape (Brassica rapa L.) is a valuable ecologically beneficial oil crop that is produced mainly for its ability of conserving soil and water in winter and spring and its high quality edible oil in northwestern China. However, coldness and extremely low temperature negatively affects the growth and development of winter turnip rape, resulting in failure to overwinter and production in northwestern China. ‘Longyou 7’(Brassica rapa L.) and ‘Tianyou 4’ (Brassica rapa L.) are closely related plant species, but their cold tolerances are different. ‘Longyou 7’ is a cold-tolerant cultivar, ‘Tianyou 4’is a cold-sensitive cultivar. In this study, we used iTRAQ-based proteomics to compare quantitative changes in the proteome of two winter turnip rape leaves and roots in response to cold stress to elucidate the possible molecular mechanism underlying the ability of ‘Longyou 7’ to adapt to cold stress.

INSTRUMENT(S): Q Exactive

ORGANISM(S): Brassica Rapa Subsp. Rapa

TISSUE(S): Leaf

SUBMITTER: zeng xiucun  

LAB HEAD: Zeng XiuCun

PROVIDER: PXD008195 | Pride | 2019-11-12

REPOSITORIES: Pride

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Publications

iTRAQ-Based Quantitative Proteome Revealed Metabolic Changes in Winter Turnip Rape (<i>Brassica rapa</i> L.) under Cold Stress.

Xu Yaozhao Y   Zeng Xiucun X   Wu Jian J   Zhang Fenqin F   Li Caixia C   Jiang Jinjin J   Wang Youping Y   Sun Wancang W  

International journal of molecular sciences 20181026 11


Winter turnip rape (<i>Brassica rapa</i> L.) is a large-scale winter-only oil crop cultivated in Northwest China. However, its cold-resistant molecular mechanism remains inadequate. Studying the cold adaptation mechanisms of winter turnip rape based on the proteomic technique of isobaric tags for relative and absolute quantification (iTRAQ) offers a solution to this problem. Under cold stress (-4 °C for eight hours), 51 and 94 differently accumulated proteins (DAPs) in Longyou 7 (cold-tolerant)  ...[more]

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