Inheritance and linkage relationships of glutamate oxaloacetate transaminase isoenzymes in apple |
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| Authors: | A G Manganaris F H Alston |
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| Institution: | (1) Institute of Horticultural Research, East Mailing, ME19 6BJ Maidstone, Kent, UK;(2) Present address: Pomology Institute, 59200 Naoussa, Greece |
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| Abstract: | Summary Independent dimeric genes GOT-2 and GOT-4 determining activity for glutamate oxaloacetate transaminase (E.C.2.6.1.1; GOT) in zones GOT-II and GOT-IV respectively were identified. Three alleles were found for GOT-2 and two for GOT-4, including a null allele for GOT-2 which produced detectable heterodimeric bands but not homodimeric bands. Linkage studies with leucine aminopeptidase (E.C.3.4.11.1; LAP) genes suggested linkage of GOT-2 with LAP-2 (r=0.13±0.23) and GOT-4 with LAP-1 (r=0.10±0.40).The results reported in this paper are part of a London University PhD thesis by the first author |
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| Keywords: | Malus pumila Mill Glutamate oxaloacetate transaminase Genes GOT-2 GOT-4 LAP-1 LAP-2 Linkage |
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