A NEW CHROMOSOME NUMBER REPORT AND KARYOTYPE VARIATION IN THYMUS TRANSCASPICUS KLOKOV

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MORADI MEHDI; NAZERI VAHIDEH; HASANDOKHT MOHAMAD REZA

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Journal Paper

Paper Information

Journal: THE IRANIAN JOURNAL OF BOTANY Year:2016 | Volume:22 | Issue:1 Page(s): 59-64

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Title

A NEW CHROMOSOME NUMBER REPORT AND KARYOTYPE VARIATION IN THYMUS TRANSCASPICUS KLOKOV

Author(s)

MORADI MEHDI | NAZERI VAHIDEH | HASANDOKHT MOHAMAD REZA | Issue Writer Certificate

Keywords

THYMUS

LAMIACEAE

SYMETRIC KARYOTYPE

DIVERSITY

CYTOLOGY

IRAN

Abstract

Karyotypes of five populations ofTHYMUS transcaspicus from different geographic sites in IRAN are presented. The basic chromosome number of the studied populations was obtained as x=15. Presence of 30 chromosomes in Tiwan, Hikooh, Pakotel and Golmakharan populations and 60 chromosomes in Reiin population corresponds to diploid (2n =2x=30) and tetraploid levels (2n=4x=60), respectively. Chromosome number of 2n=30 is reported for the first time in the species. Metacentric chromosomes are the most common, but sub-metacentric chromosomes are rare.Based on intrachromosomal asymmetry (A1 and TF %), population Reiin had the most asymmetric karyotype and population Golmakharan had the most symmetrical karyotype among the populations. According to interchromosomal asymmetry (A2 and DRL), among diploid populations, population Pakotal had the asymmetrical karyotype. The results indicate that at least in IRANT. transcaspicus is not a uniform species in regard to its chromosome number and karyotype. Meanwhile poloidy has played a role in the evolution within species.

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APA: Copy

MORADI, MEHDI, NAZERI, VAHIDEH, & HASANDOKHT, MOHAMAD REZA. (2016). A NEW CHROMOSOME NUMBER REPORT AND KARYOTYPE VARIATION IN THYMUS TRANSCASPICUS KLOKOV. THE IRANIAN JOURNAL OF BOTANY, 22(1), 59-64. SID. https://sid.ir/paper/687717/en

Vancouver: Copy

MORADI MEHDI, NAZERI VAHIDEH, HASANDOKHT MOHAMAD REZA. A NEW CHROMOSOME NUMBER REPORT AND KARYOTYPE VARIATION IN THYMUS TRANSCASPICUS KLOKOV. THE IRANIAN JOURNAL OF BOTANY[Internet]. 2016;22(1):59-64. Available from: https://sid.ir/paper/687717/en

IEEE: Copy

MEHDI MORADI, VAHIDEH NAZERI, and MOHAMAD REZA HASANDOKHT, “A NEW CHROMOSOME NUMBER REPORT AND KARYOTYPE VARIATION IN THYMUS TRANSCASPICUS KLOKOV,” THE IRANIAN JOURNAL OF BOTANY, vol. 22, no. 1, pp. 59–64, 2016, [Online]. Available: https://sid.ir/paper/687717/en

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