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[Karyotype analysis of Echinocodon lobophyllus].

B Huang1, Y Zhan

  • 1Hubei College of Traditional Chinese Medicine, Wuhan 430061.

Zhong Yao Cai = Zhongyaocai = Journal of Chinese Medicinal Materials
|December 4, 2004
PubMed
Summary

The study details the chromosome number and karyotype of Echinocodon lobophyllus, revealing a diploid number of 2n=16. This research provides foundational cytogenetic data for this plant species.

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Area of Science:

  • Botany
  • Cytogenetics
  • Plant Science

Context:

  • Karyotype analysis is crucial for understanding plant evolution and taxonomy.
  • Echinocodon lobophyllus is a species requiring detailed cytogenetic characterization.

Purpose:

  • To determine the chromosome number, karyotype formula, and chromosome volume of Echinocodon lobophyllus.
  • To classify the karyotype of Echinocodon lobophyllus using established systems.

Summary:

  • The diploid chromosome number for Echinocodon lobophyllus was identified as 2n = 16.
  • The karyotype formula was determined as K(2n) = 16 = 14m + 2Sm, with relative chromosome lengths described as 2n = 16 = 10M2 + 6M1.
  • Based on Stebbins' classification, the karyotype is designated as type '1A', with an AS.K% of 57.24% and a total chromosome volume of 1.16 microm3.

Impact:

  • Establishes baseline cytogenetic data for Echinocodon lobophyllus.
  • Contributes to the broader understanding of plant chromosome diversity and evolution.
  • Provides essential information for taxonomic and phylogenetic studies of the species.

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