Enhancing seed quality and viability by suppressing phospholipase D in Arabidopsis.

Enhancing seed quality and viability by suppressing phospholipase D in Arabidopsis. Research Abstract Details 

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Enhancing seed quality and viability by suppressing phospholipase D in Arabidopsis. Abstract Text:

Shivakumar P Devaiah,Xiangqing Pan,Yueyun Hong,Mary Roth,Ruth Welti,Xuemin Wang,

Seed aging decreases the quality of seed and grain and results in agricultural and economic losses. Alterations that impair cellular structures and metabolism are implicated in seed deterioration, but the molecular and biochemical bases for seed aging are not well understood. Ablation of the gene for a membrane lipid-hydrolyzing phospholipase D (PLDalpha1) in Arabidopsis enhanced seed germination and oil stability after storage or exposure of seeds to adverse conditions. The PLDalpha1-deficient seeds exhibited a smaller loss of unsaturated fatty acids and lower accumulation of lipid peroxides than did wild-type seeds. However, PLDalpha1-knockdown seeds were more tolerant of aging than were PLDalpha1-knockout seeds. The results demonstrate the PLDalpha1 plays an important role in seed deterioration and aging in Arabidopsis. A high level of PLDalpha1 is detrimental to seed quality, and attenuation of PLDalpha1 expression has the potential to improve oil stability, seed quality and seed longevity.

Enhancing seed quality and viability by suppressing phospholipase D in Arabidopsis. Publishing Authors By Initials

SP Devaiah,X Pan,Y Hong,M Roth,R Welti,X Wang,

For similar biological phenomena, cell phenomena, and immunity: biological phenomena: tissue survival research abstracts see: biological phenomena, cell phenomena, and immunity: biological phenomena: tissue survival research

PUBMED ID PMID:

MEDLINE DATE:

Enhancing seed quality and viability by suppressing phospholipase D in Arabidopsis. Journal Published:

PUBLICATION TYPE: Research Support, U.S. Gov't,

Journal: The Plant journal : for cell and molecular biology

VOLUME: 50

Page Numbers: 950-7

Journal Abbreviation: Plant J.

ISSN: 0960-7412

DAY: 3

MONTH: Jun

YEAR: 2007

Enhancing seed quality and viability by suppressing phospholipase D in Arabidopsis. Information

Number of References:

LANGUAGE: eng

NlmUniqueID: 9207397

Enhancing seed quality and viability by suppressing phospholipase D in Arabidopsis. Keywords Mesh Terms:

KEYWORDS: Tissue Survival

MESH TERMS: physiology

Chemical & Substance for Abstract: Enhancing seed quality and viability by suppressing phospholipase D in Arabidopsis. Information

Substance Name: Phospholipase D

Registry Number: EC 3.1.4.4

Grant and Affiliation Information for Enhancing seed quality and viability by suppressing phospholipase D in Arabidopsis.

AFFILIATION: Department of Biology, University of Missouri, St Louis, MO 63121, USA.

Country: England

AGENCY: United States NCRR

GRANT: P20 RR016475

ACRONYM: RR

MEDLINETA: Plant J

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