Comparative karyotype analysis in diploid and triploid Dolichoplana carvalhoi (Tricladida, Terricola, Rhynchodemidae) from Brazil

被引：4
|
作者：
Alvarez, Luciana
de Almeida, Eunice Judith Cardoso
机构：
[1] Univ Sao Paulo, Dept Genet & Biol Evolut, Inst Biociencias, BR-05508090 Sao Paulo, Brazil
[2] Univ Santo Amaro, Sao Paulo, Brazil
来源：
GENETICS AND MOLECULAR BIOLOGY | 2007年 / 30卷 / 02期
关键词：
land planarians; Dolichoplana carvalhoi; cytogenetics; triploidy; heteromorphisms; C-bands;
D O I：
10.1590/S1415-47572007000300013
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
In this work, we present cytogenetic data for the land planarian Dolichoplana carvalhoi. Two different karyotypes, one diploid (2n = 2x = 14 chromosomes) and one triploid (2n = 3x = 21 chromosomes), corresponding to two morphological body patterns, are described. Chromosomes from regenerating blastema were studied after routine Giemsa staining and CBG banding. Our analyses revealed heteromorphisms in chromosomes 2, 3 and 4 of the diploid karyotype and in chromosomes 1, 3 and 7 of the triploid karyotype. Further studies are needed in order to determine if the two morphological patterns of D. carvalhoi represent distinct species.
引用
收藏
页码：375 / 379
页数：5
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