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Contribution of mitochondria and peroxisomes to palmitate oxidation in pea tissues

Lookup NU author(s): Dr Christine Masterson, Dr Cliff Wood

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Abstract

Total, mitochondrial and peroxisomal palmitate oxidation capacities were compared in pea, from the dry seed to 14 days after imbibition. Total β-oxidation varied over the measured time period and showed four peaks of activity at day 2, days 5-6, day 10 and days 12-13. The contribution of peroxisomal and mitochondrial β-oxidation to this overall β-oxidation varied. Over the first 48 h of seed germination, peroxisomal β-oxidation accounted for 80-100% of the total observed β-oxidation. The larger peaks of β-oxidation at days 5-6, day 10 and days 12-13 were due primarily to mitochondrial β-oxidation activity, which accounted for 70-90% of the observed total β-oxidation at these times. The peaks of activity are related to observed stages in seedling development.

Publication metadata

Author(s): Masterson C; Wood C

Publication type: Article

Publication status: Published

Journal: Biochemical Society Transactions

Year: 2000

Volume: 28

Issue: 6

Pages: 757-760

Print publication date: 01/01/2000

ISSN (print): 0300-5127

ISSN (electronic): 1470-8752

Publisher: Portland Press

URL: http://dx.doi.org/10.1042/0300-5127:0280757

DOI: 10.1042/0300-5127:0280757

PubMed id: 11171197

Notes: Speaker manuscript - 14th International Symposium on Plant Lipids held at Cardiff University, 23–28 July 2000

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