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Storage reserve mobilization in germinating oilseeds: Arabidopsis as a model system

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Storage reserve mobilization in germinating oilseeds: Arabidopsis as a model system. / Penfield, S; Graham, S; Graham, I A.

In: Biochemical Society transactions, Vol. 33, 04.2005, p. 380-383.

Research output: Contribution to journalArticlepeer-review

Harvard

Penfield, S, Graham, S & Graham, IA 2005, 'Storage reserve mobilization in germinating oilseeds: Arabidopsis as a model system', Biochemical Society transactions, vol. 33, pp. 380-383.

APA

Penfield, S., Graham, S., & Graham, I. A. (2005). Storage reserve mobilization in germinating oilseeds: Arabidopsis as a model system. Biochemical Society transactions, 33, 380-383.

Vancouver

Penfield S, Graham S, Graham IA. Storage reserve mobilization in germinating oilseeds: Arabidopsis as a model system. Biochemical Society transactions. 2005 Apr;33:380-383.

Author

Penfield, S ; Graham, S ; Graham, I A. / Storage reserve mobilization in germinating oilseeds: Arabidopsis as a model system. In: Biochemical Society transactions. 2005 ; Vol. 33. pp. 380-383.

Bibtex - Download

@article{137d1c3991d144038ff34111a40e2699,
title = "Storage reserve mobilization in germinating oilseeds: Arabidopsis as a model system",
abstract = "Germinating oilseeds break down fatty acids through peroxisomal beta-oxidation and convert the carbon into soluble carbohydrates through the glyoxylate cycle and gluconeogenesis. This interconversion is unique among higher eukaryotes. Using a combination of forward and reverse genetic screens, we have isolated mutants that compromise fatty acid breakdown at each step. These mutants exhibit characteristic, yet nonidentical, seedling establishment phenotypes that can be rescued by the provision of an alternative carbon source. in addition, we have recently shown that Arabidopsis seed's lipid breakdown occurs in two distinct tissues, the embryo and endosperm. The utilization of endospermic lipid reserves requires gluconeogenesis and transport of the resulting sugars to the germinating embryo. we discuss the potential of the Arabidopsis endosperm tissue as a simplified model system for the study of germination and lipid breakdown in germinating oilseeds.",
keywords = "Arabidopsis, endosperm, glyoxylate cycle, oilseeds, beta-oxidation, triacylglycerol, ACID BETA-OXIDATION, BINDING CASSETTE TRANSPORTER, ENDOSPERM DEVELOPMENT, LIPID MOBILIZATION, GLYOXYLATE CYCLE, MUTANTS, THALIANA, GROWTH, CATABOLISM, RESISTANT",
author = "S Penfield and S Graham and Graham, {I A}",
year = "2005",
month = apr,
language = "English",
volume = "33",
pages = "380--383",
journal = "Biochemical Society transactions",
issn = "0300-5127",
publisher = "Portland Press Ltd.",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Storage reserve mobilization in germinating oilseeds: Arabidopsis as a model system

AU - Penfield, S

AU - Graham, S

AU - Graham, I A

PY - 2005/4

Y1 - 2005/4

N2 - Germinating oilseeds break down fatty acids through peroxisomal beta-oxidation and convert the carbon into soluble carbohydrates through the glyoxylate cycle and gluconeogenesis. This interconversion is unique among higher eukaryotes. Using a combination of forward and reverse genetic screens, we have isolated mutants that compromise fatty acid breakdown at each step. These mutants exhibit characteristic, yet nonidentical, seedling establishment phenotypes that can be rescued by the provision of an alternative carbon source. in addition, we have recently shown that Arabidopsis seed's lipid breakdown occurs in two distinct tissues, the embryo and endosperm. The utilization of endospermic lipid reserves requires gluconeogenesis and transport of the resulting sugars to the germinating embryo. we discuss the potential of the Arabidopsis endosperm tissue as a simplified model system for the study of germination and lipid breakdown in germinating oilseeds.

AB - Germinating oilseeds break down fatty acids through peroxisomal beta-oxidation and convert the carbon into soluble carbohydrates through the glyoxylate cycle and gluconeogenesis. This interconversion is unique among higher eukaryotes. Using a combination of forward and reverse genetic screens, we have isolated mutants that compromise fatty acid breakdown at each step. These mutants exhibit characteristic, yet nonidentical, seedling establishment phenotypes that can be rescued by the provision of an alternative carbon source. in addition, we have recently shown that Arabidopsis seed's lipid breakdown occurs in two distinct tissues, the embryo and endosperm. The utilization of endospermic lipid reserves requires gluconeogenesis and transport of the resulting sugars to the germinating embryo. we discuss the potential of the Arabidopsis endosperm tissue as a simplified model system for the study of germination and lipid breakdown in germinating oilseeds.

KW - Arabidopsis

KW - endosperm

KW - glyoxylate cycle

KW - oilseeds

KW - beta-oxidation

KW - triacylglycerol

KW - ACID BETA-OXIDATION

KW - BINDING CASSETTE TRANSPORTER

KW - ENDOSPERM DEVELOPMENT

KW - LIPID MOBILIZATION

KW - GLYOXYLATE CYCLE

KW - MUTANTS

KW - THALIANA

KW - GROWTH

KW - CATABOLISM

KW - RESISTANT

M3 - Article

VL - 33

SP - 380

EP - 383

JO - Biochemical Society transactions

JF - Biochemical Society transactions

SN - 0300-5127

ER -