|Table of Contents|

Estimation of Genomic Size and Physical Location of rDNA of  Chrysanthemum weyrichii(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2016年12
Page:
101-105
Research Field:
Publishing date:

Info

Title:
Estimation of Genomic Size and Physical Location of rDNA of  Chrysanthemum weyrichii
Author(s):
QIAN Shuang12LI Ang2ZHAO Xin2YANG Shuhua2LI Mingyang1GE Hong2
(1.College of Horticulture and Landscape Architecture/Chongqing Engineering Research Center for Floriculture,Southwest University,Chongqing 400716;2.Key Laboratory of Biology and Genetic Improvement of Horticultural Crops,Ministry of Agriculture/Institute of Vegetables and Flowers,Chinese Academy of Agricultural Sciences/National Flowers Improvement Center of China,Beijing 100081)
Keywords:
Chrysanthemum weyrichiiflow cytometrychromosomerDNAfluorescence in situ hybridization
PACS:
-
DOI:
10.11937/bfyy.201612025
Abstract:
Taking Chrysanthemum weyrichii as test material,the genome size of C.weyrichii was estimated by flow cytometry.The chromosome numbers and rDNA chromosomal location of C.weyrichii were studied by chromosome counting method and fluorescence in situ hybridization for the first time.The results showed that the genome size was 10.02 Gb,chromosome numbers were 2n=8x=72,four pairs of 5S rDNA located at submetacentric regions and eight pairs of 45S rDNA located at terminal regions were detected.This study provided a valuable basis for future genomic and cytogenetic studies in C.weyrichii.

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Last Update: 2016-07-21