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[Cytological study on Eclipta prostrata L].

C Ge1, P Wan

  • 1Shandong College of Traditional Chinese Medicine, Jinan.

Zhongguo Zhong Yao Za Zhi = Zhongguo Zhongyao Zazhi = China Journal of Chinese Materia Medica
|November 1, 1990
PubMed
Summary
This summary is machine-generated.

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This study details the karyotype of Eclipta prostrata, revealing a chromosome number of 2n=22. The findings provide essential data for understanding the plant

Area of Science:

  • Plant Cytogenetics: Investigating the chromosomal characteristics of Eclipta prostrata.

Context:

  • Eclipta prostrata, a widely distributed medicinal herb, requires detailed cytogenetic analysis for taxonomic and evolutionary understanding.
  • Previous cytological studies on Eclipta species provide a foundation for this detailed karyotype analysis.

Purpose:

  • To determine the precise karyotype formula and chromosome composition of Eclipta prostrata.
  • To classify the karyotype based on Stebbins' system and analyze chromosome morphology.
  • To calculate the total chromosome length and volume for comparative cytogenetic studies.

Summary:

  • The karyotype of Eclipta prostrata is reported as K(2n) = 22 = 16m + 6sm, classified under Stebbins' '1A' category.
  • Chromosome composition based on relative length is 2n = 22 = 10M2 + 12M1.

Related Experiment Videos

  • The total chromosome length was measured at 29.3 microns, and chromosome volume was also calculated.
  • Impact:

    • Provides foundational cytogenetic data for Eclipta prostrata, aiding in plant taxonomy and evolutionary biology.
    • Establishes a reference point for future research on chromosome number variation and polyploidy in related species.
    • Contributes to the understanding of genomic structure and evolution in the Asteraceae family.