KARYOTYPIC DIVERSITY IN SOME OF NEPETA L. (LAMIACEAE) SPECIES IN IRAN

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KHARAZIAN NAVAZ; ZAMANI SHOURABI SOMAYEH; YOUSEFII MEHDI

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Seminar Paper

Paper Information

Seminar: CONGRESS OF IRANIAN GENETICS
Year:2014 | Issue:1

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Title

KARYOTYPIC DIVERSITY IN SOME OF NEPETA L. (LAMIACEAE) SPECIES IN IRAN

Author(s)

KHARAZIAN NAVAZ | ZAMANI SHOURABI SOMAYEH | YOUSEFII MEHDI

Keywords

CHROMOSOME

KARYOTYPE

NEPETA

LAMIACEAE

Abstract

NEPETA L. GENUS BELONGING TO LAMIACEAE FAMILY INCLUDES ABOUT 300 SPECIES IN ASIA AND EUROPE, 75 SPECIES IN IRAN OF WHICH 39 SPECIES ARE ENDEMIC FOR THIS COUNTRY. WITH THE INTENTION OF MEDICINAL PROPERTIES AND HIGH MORPHOLOGICAL DIVERSITY, THIS GENUS INITIATES AS ONE OF THE IMPORTANT GENETIC RESOURCES IN IRAN. IN ORDER TO STUDY THE KARYOTYPIC DIVERSITY IN NEPETA SPECIES, FIVE SPECIES AND 10 ACCESSIONS BELONGING TO SECTIONS SCHIZOCALYX POJARK., SPARTONEPETA BRIQ. AND MICRONEPETA (BOISS.) RECH. WERE COLLECTED FROM NATURAL HABITATS OF ZAGROS PROVINCE, AND THEIR CHROMOSOME NUMBER AND KARYOTYPE WERE STUDIED USING MITOTIC METAPHASE. THE STUDIED SPECIES IN THIS RESEARCH WERE N. GLOMERULOSA SPP. CARMANICA (BORNM.) RECH., N. JUNCEA SPP. DESERTORUM BORNM., N. DAENENSIS BOISS., N. PUNGENS (BUNGE) BENTH. AND N. FISSA C. A. MEY. THE RESULTS OF THIS RESEARCH SHOWED THAT THE CHROMOSOME NUMBER DISPLAYED HIGH DIVERSITY, THE PLOIDY LEVELS WERE DIPLOID AND TETRAPLOID, CHROMOSOME NUMBERS WERE 2N=18, 22, 26,32 AND BASIC CHROMOSOME NUMBERS WERE X=8, 9, 11, 13 WHICH ARE FIRST REPORTED FOR IRAN. THE KARYOTYPIC RESULTS SHOWED THE DIVERSITY AMONG NEPETA SPECIES AS MOSTLY DISPLAYED MEDIAN POINT, MEDIAN REGION AND SUB MEDIAN REGION AND THE CHROMOSOME LENGTHS WERE IN THE RANGE OF 0.7-2.8 MM. CHANGES IN THE CHROMOSOME NUMBER AND VARIATION OF KARYOTYPE STRUCTURE IN THIS TAXON CAN BE HIGHLIGHTED AS THE PRINCIPAL MECHANISM OF SPECIES DIVERSIFICATION.

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APA: Copy

KHARAZIAN, NAVAZ, ZAMANI SHOURABI, SOMAYEH, & YOUSEFII, MEHDI. (2014). KARYOTYPIC DIVERSITY IN SOME OF NEPETA L. (LAMIACEAE) SPECIES IN IRAN. CONGRESS OF IRANIAN GENETICS. SID. https://sid.ir/paper/906899/en

Vancouver: Copy

KHARAZIAN NAVAZ, ZAMANI SHOURABI SOMAYEH, YOUSEFII MEHDI. KARYOTYPIC DIVERSITY IN SOME OF NEPETA L. (LAMIACEAE) SPECIES IN IRAN. 2014. Available from: https://sid.ir/paper/906899/en

IEEE: Copy

NAVAZ KHARAZIAN, SOMAYEH ZAMANI SHOURABI, and MEHDI YOUSEFII, “KARYOTYPIC DIVERSITY IN SOME OF NEPETA L. (LAMIACEAE) SPECIES IN IRAN,” presented at the CONGRESS OF IRANIAN GENETICS. 2014, [Online]. Available: https://sid.ir/paper/906899/en

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