Nuclear-encoded protein-coding genes of the agarophyte Gracilaria verrucosa (Gracilariales, Rhodophyta)

被引：0

作者：

Zhou, YH ^{[1
]}

Ragan, MA ^{[1
]}

机构：

[1] NATL RES COUNCIL CANADA,INST MARINE BIOSCI,HALIFAX,NS B3H 3Z1,CANADA

来源：

HYDROBIOLOGIA | 1996年 / 327卷

关键词：

codon usage; Gracilaria verrucosa; intron; nuclear protein-coding genes; poly(A) signal; promoter; seaweed;

D O I：

暂无

中图分类号：

Q17 [水生生物学];

学科分类号：

071004 ;

摘要：

Single-copy nuclear genes encoding cytosolic glyceraldehyde-3-phosphate dehydrogenase (GapC), triosephosphate isomerase (TPII) and polyubiquitin (UBI6R), plastid-localized GAPDH (GapA), and mitochondrial aconitase (m-ACN), together with their corresponding cDNAs, have been cloned or PCR-amplified from Gracilaria verrucosa, sequenced, and characterized by genomic Southern hybridization. Three spliceosomal introns were found, one each near the 5' end of GapA, GapC, and m-ACN. Codon usage is biased, with third-position A's underrepresented. Nucleotide compositions of the genes are balanced except in TPII. Upstream promoter structure, downstream poly(A) processing signals, intron splice junctions, and one translation initiation site were analyzed. Poly(A) processing features of these red algal genes resemble those of green plants more than those of animals.

引用

页码：429 / 436

页数：8

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