Chromosome Count, Male Meiotic Behavior and Pollen Analysis of Eight Populations of Trachyspermum ammi (L.) Sprague (Apiaceae) from Iran
Trachyspermum ammi (L.) Sprague (Ajwan) is one of the most important industrial and medicinal plants which belongs to the family Apiaceae. A meiotic study of eight populations from Iran was performed. All populations were diploid n=9 (2n=2x=18) forming mainly bivalents with some amount of quadrivale...
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| Veröffentlicht in: | CYTOLOGIA 2022/03/25, Vol.87(1), pp.29-34 |
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| creator | Arabi, Mohammadreza Norouzi, Maryam Noori, Seyyed Ahmad Sadat Mortazavian, Seyyed Mohammad Mehdi |
| description | Trachyspermum ammi (L.) Sprague (Ajwan) is one of the most important industrial and medicinal plants which belongs to the family Apiaceae. A meiotic study of eight populations from Iran was performed. All populations were diploid n=9 (2n=2x=18) forming mainly bivalents with some amount of quadrivalent and hexavalent possibly due to the occurrence of heterozygote translocations. The ANOVA test of meiotic characters showed a significant difference (p＜0.05) in chiasma frequency as well as chromosome associations in Ajwan populations. Chromosome migration or cytomixis and syncyte formation and tripolar structure in telophase II were also reported for the first time in natural populations in Iran and led to diploid gamete formation or 2n pollen grains in almost all populations were studied. Cluster analysis of meiotic data showed the distinctness of the populations in their meiotic behavior. |
| doi_str_mv | 10.1508/cytologia.87.29 |
| format | Article |
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Chromosome migration or cytomixis and syncyte formation and tripolar structure in telophase II were also reported for the first time in natural populations in Iran and led to diploid gamete formation or 2n pollen grains in almost all populations were studied. 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Cluster analysis of meiotic data showed the distinctness of the populations in their meiotic behavior.</description><subject>Apiaceae</subject><subject>Chiasma frequency</subject><subject>Chromosome translocations</subject><subject>Chromosomes</subject><subject>Cluster analysis</subject><subject>Cytogenetic</subject><subject>Cytomixis</subject><subject>Diploids</subject><subject>Herbal medicine</subject><subject>Heterozygotes</subject><subject>Iran</subject><subject>Medicinal plants</subject><subject>Meiosis</subject><subject>Natural populations</subject><subject>Pollen</subject><subject>Population studies</subject><subject>Populations</subject><subject>Trachyspermum ammi</subject><subject>Variance analysis</subject><issn>0011-4545</issn><issn>1348-7019</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNp9kU1r3DAQhkVpoUuSc6-CXhKoN_q07ON2k6YpGxJIehYj73itYFuuZBf2H_Rn15stKb30MgMzz3y9Q8gHzpZcs-Ky2o-hDTsPy8IsRfmGLLhURWYYL9-SBWOcZ0or_Z6cpeQdYyI3rDRiQX6tmxi6kEKHdB2mfvxE76BFeoc-jL6in7GBnz5ECv2WPoS2xZ6uemj3yScaanrtd804J4aphdGH_iX4FKFq9mnA2E0dha7z9HyzvKCPQ4TdhPR8NXioEPCC1vN0ehuhPyXvamgTnv3xJ-T7l-un9ddsc39zu15tskoVYsxgXpxLrNy2VLlmueEgKoeu2DIhde2cAQMsZ1IJI7RU0gknNFNzXKMCJ0_Ix2PfIYYfE6bRPocpzhclK8wsUS7Lkv2XylXOteLmQF0eqSqGlCLWdoi-g7i3nNnDX-zrX2xhrCjnim_Hiuc0wg5feYiz2C3-y_ODubKCW8ZYKf5CDUSLvfwNR02c6g</recordid><startdate>20220325</startdate><enddate>20220325</enddate><creator>Arabi, Mohammadreza</creator><creator>Norouzi, Maryam</creator><creator>Noori, Seyyed Ahmad Sadat</creator><creator>Mortazavian, Seyyed Mohammad Mehdi</creator><general>Japan Mendel Society, International Society of Cytology</general><general>Japan Science and Technology Agency</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QL</scope><scope>7QP</scope><scope>7TK</scope><scope>7TM</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>M7N</scope><scope>P64</scope><scope>RC3</scope></search><sort><creationdate>20220325</creationdate><title>Chromosome Count, Male Meiotic Behavior and Pollen Analysis of Eight Populations of Trachyspermum ammi (L.) 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| ispartof | CYTOLOGIA, 2022/03/25, Vol.87(1), pp.29-34 |
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| subjects | Apiaceae Chiasma frequency Chromosome translocations Chromosomes Cluster analysis Cytogenetic Cytomixis Diploids Herbal medicine Heterozygotes Iran Medicinal plants Meiosis Natural populations Pollen Population studies Populations Trachyspermum ammi Variance analysis |
| title | Chromosome Count, Male Meiotic Behavior and Pollen Analysis of Eight Populations of Trachyspermum ammi (L.) Sprague (Apiaceae) from Iran |
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