Dataset Information

Two Eutrema salsugineum ecotypes ESI-MS/MS

ABSTRACT: Salt cress (Eutrema salsugineum, synonymously Thellungiella salsuginea) is an extremophile, a close relative of Arabidopsis. In order to understand the selective mechanisms that shape their complex traits underlying natural variation, we analyzed the physiological and proteomic differences between Shandong (SD) ecotype and Xinjiang (XJ) ecotype.

INSTRUMENT(S): LCQ Deca XP Plus

ORGANISM(S): Eutrema Salsugineum

TISSUE(S): Plant Cell, Root, Shoot

DISEASE(S): Disease Free

SUBMITTER: Fanhua Wang

LAB HEAD: Zenglan Wang

PROVIDER: PXD018751 | Pride | 2022-08-11

REPOSITORIES: Pride

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Dataset's files

Source:

			Action	DRS
	ShandongecotyperootRAW.zip	Other
	ShandongecotyperootSearch.zip	Other
	ShandongecotypeshootRAW.zip	Other
	ShandongecotypeshootSearch.zip	Other
	XinjiangecotyperootRAW.zip	Other

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1 - 5 of 8

Publications

Dissecting the Molecular Regulation of Natural Variation in Growth and Senescence of Two Eutrema salsugineum Ecotypes.

Wang Fanhua F Sun Zhibin Z Zhu Min M Zhang Qikun Q Sun Yufei Y Sun Wei W Wu Chunxia C Li Tongtong T Zhao Yiwu Y Ma Changle C Zhang Hui H Zhao Yanxiu Y Wang Zenglan Z

International journal of molecular sciences 20220530 11

Salt cress (Eutrema salsugineum, aka Thellungiella salsuginea) is an extremophile and a close relative of Arabidopsis thaliana. To understand the mechanism of selection of complex traits under natural variation, we analyzed the physiological and proteomic differences between Shandong (SD) and Xinjiang (XJ) ecotypes. The SD ecotype has dark green leaves, short and flat leaves, and more conspicuous taproots, and the XJ ecotype had greater biomass and showed clear signs of sene ...[more]

PMID: 35682805

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Project description:Spermatophyte pollen tubes and root hairs have been used as single-cell-type model systems toward understanding the molecular processes underlying polar growth of plant cells. Horsetail (Equisetum arvense L.) is a perennial herb species in Equisetopsida, which creates separately growing spring and summer stems in its life cycle. The mature chlorophyllous spores produced from spring stems can germinate without dormancy. Here we report the cellular features and protein expression patterns in five stages of horsetail spore germination (mature spores, rehydrated spores, double-celled spores, germinated spores, and spores with protonemal cells). Using 2-DE combined with mass spectrometry, 80 proteins were found to be differentially expressed upon spore germination. Among them, proteins involved in photosynthesis, protein turnover, and energy supply were over-represented. Thirteen proteins appeared as isoforms on the gels, indicating the potential importance of post-translational modification. In addition, the dynamic changes of ascorbate peroxidase, peroxiredoxin, and dehydroascorbate reductase implied that reactive oxygen species homeostasis is critical in regulating cell division and tip-growth. The time course of germination and diverse expression patterns of proteins in photosynthesis, energy supply, lipid and amino acid metabolism indicated that heterotrophic and autotrophic metabolism were necessary in light-dependent germination of the spores. Twenty-six proteins were involved in protein synthesis, folding, and degradation, indicating that protein turnover is vital to spore germination and rhizoid tip-growth. Furthermore, the altered abundance of small G protein Ran1, 14-3-3 protein, actin, and Caffeoyl-CoA O-methyltransferase revealed that signaling transduction, vesicle trafficking, cytoskeleton dynamics, and cell wall modulation were critical to cell division and polar growth. These findings provide up-to-date evidences for understanding fern spore asymmetric division and rhizoid polar growth.

Dataset Information

Two Eutrema salsugineum ecotypes ESI-MS/MS

Dataset's files

Publications

Dissecting the Molecular Regulation of Natural Variation in Growth and Senescence of Two <i>Eutrema salsugineum</i> Ecotypes.

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