GENOME SIZE IN TRIBOLIUM FLOUR-BEETLES - INTERSPECIFIC AND INTRASPECIFIC VARIATION

被引：48

作者：

ALVAREZFUSTER, A ^{[1
]}

JUAN, C ^{[1
]}

PETITPIERRE, E ^{[1
]}

机构：

[1] UNIV ILLES BALEARS,FAC CIENCIES,DEPT BIOL AMBIENTAL,GENET LAB,E-07071 PALMA DE MALLORCA,SPAIN

来源：

GENETICAL RESEARCH | 1991年 / 58卷 / 01期

关键词：

D O I：

10.1017/S0016672300029542

中图分类号：

Q3 [遗传学];

学科分类号：

071007 ; 090102 ;

摘要：

Eight species of Tribolium and the related species Alphitobius diaperinus have been microdensitometrically analysed by measuring the nuclear content (1C value) of their Feulgen-stained spermatids. The range of mean genome sizes goes from 0.157 pg in T. audax to 0.388 pg in T. brevicornis, including five significantly different groups of values. Also, in all but one species of Tribolium significant intraspecific heterogeneity of genome size was found. The resemblances in genome size are not generally correlated with genetic homologies among species, but there is a highly significantly correlation between genome size and spermatid size.

引用

页码：1 / 5

页数：5

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