EVOLUTION OF THE CHALCONE SYNTHASE GENE FAMILY IN THE GENUS IPOMOEA

被引：91

作者：

DURBIN, ML ^{[1
]}

LEARN, GH ^{[1
]}

HUTTLEY, GA ^{[1
]}

CLEGG, MT ^{[1
]}

机构：

[1] UNIV CALIF RIVERSIDE,DEPT BOT & PLANT SCI,RIVERSIDE,CA 92521

来源：

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA | 1995年 / 92卷 / 08期

关键词：

GENE PHYLOGENIES; MORNING GLORY; ANTHOCYANIN; FLAVONOIDS;

D O I：

10.1073/pnas.92.8.3338

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The evolution of the chalcone synthase [CHS; malonyl-CoA:4-coumaroyl-CoA malonyltransferase (cyclizing), EC 2.3.1.74] multigene family in the genus Ipomoea is explored. Thirteen CHS genes from seven Ipomoea species (family Convolvulaceae) were sequenced--three from genomic clones and the remainder from PCR amplification with primers designed from the 5' flanking region and the end of the 3' coding region of Ipomoea purpurea Roth. Analysis of the data indicates a duplication of CHS that predates the divergence of the Ipomoea species in this study. The Ipomoea CHS genes are among the most rapidly evolving of the CHS genes sequenced to date. The CHS genes in this study are most closely related to the Petunia CHS-B gene, which is also rapidly evolving and highly divergent from the rest elf the Petunia CHS sequences.

引用

页码：3338 / 3342

页数：5

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