First report on the chromosomal analysis of three species of tribe Eristalini (Diptera: Syrphidae) from outer Himalayas, India
In the present study, the chromosomes of three species of tribe Eristalini (family Syrphidae) were studied for karyotypic details, morphometric data, C-banding and meiosis. Two species Eristalinus laetus and E. obscuritarsis showed 2n = 10 diploid chromosome number and the remaining third species E....
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| Veröffentlicht in: | Biológia 2019-05, Vol.74 (5), p.469-475 |
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| creator | Khajuria, Manvi Bhatti, Arshad Ayoub Tripathi, N. K. |
| description | In the present study, the chromosomes of three species of tribe Eristalini (family Syrphidae) were studied for karyotypic details, morphometric data, C-banding and meiosis. Two species
Eristalinus laetus
and
E. obscuritarsis
showed 2n = 10 diploid chromosome number and the remaining third species
E. obliquus
revealed 2n = 12 chromosomes as diploid number. All the three species exhibited XY sex mechanism in males. The morphology of Y chromosome was similar in all the three species studied. C-banding revealed the presence of constitutive heterochromatin at pericentromeric locations and established the euchromatic or heterochromatic nature of sex chromosomes. Meiotic observations included leptotene, pachytene, diplotene, metaphase-II and anaphase-II. The study is useful in chromosomal evolution and in the solution of taxonomic problems within the family Syrphidae. |
| doi_str_mv | 10.2478/s11756-018-00184-w |
| format | Article |
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Eristalinus laetus
and
E. obscuritarsis
showed 2n = 10 diploid chromosome number and the remaining third species
E. obliquus
revealed 2n = 12 chromosomes as diploid number. All the three species exhibited XY sex mechanism in males. The morphology of Y chromosome was similar in all the three species studied. C-banding revealed the presence of constitutive heterochromatin at pericentromeric locations and established the euchromatic or heterochromatic nature of sex chromosomes. Meiotic observations included leptotene, pachytene, diplotene, metaphase-II and anaphase-II. The study is useful in chromosomal evolution and in the solution of taxonomic problems within the family Syrphidae.</description><identifier>ISSN: 0006-3088</identifier><identifier>EISSN: 1336-9563</identifier><identifier>DOI: 10.2478/s11756-018-00184-w</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Anaphase ; Biomedical and Life Sciences ; Cell Biology ; Chromosome number ; Chromosomes ; Heterochromatin ; Life Sciences ; Meiosis ; Metaphase ; Microbiology ; Morphology ; Original Article ; Pachytene ; Plant Sciences ; Sex ; Sex chromosomes ; Species ; Syrphidae ; Y chromosomes ; Zoology</subject><ispartof>Biológia, 2019-05, Vol.74 (5), p.469-475</ispartof><rights>Institute of Zoology, Slovak Academy of Sciences 2019</rights><rights>Copyright Springer Nature B.V. 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c270t-5a4659259f2ba460e963f5480d108dbb143849bb1bc4fbd3a731d370e58849de3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.2478/s11756-018-00184-w$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.2478/s11756-018-00184-w$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27915,27916,41479,42548,51310</link.rule.ids></links><search><creatorcontrib>Khajuria, Manvi</creatorcontrib><creatorcontrib>Bhatti, Arshad Ayoub</creatorcontrib><creatorcontrib>Tripathi, N. K.</creatorcontrib><title>First report on the chromosomal analysis of three species of tribe Eristalini (Diptera: Syrphidae) from outer Himalayas, India</title><title>Biológia</title><addtitle>Biologia</addtitle><description>In the present study, the chromosomes of three species of tribe Eristalini (family Syrphidae) were studied for karyotypic details, morphometric data, C-banding and meiosis. Two species
Eristalinus laetus
and
E. obscuritarsis
showed 2n = 10 diploid chromosome number and the remaining third species
E. obliquus
revealed 2n = 12 chromosomes as diploid number. All the three species exhibited XY sex mechanism in males. The morphology of Y chromosome was similar in all the three species studied. C-banding revealed the presence of constitutive heterochromatin at pericentromeric locations and established the euchromatic or heterochromatic nature of sex chromosomes. Meiotic observations included leptotene, pachytene, diplotene, metaphase-II and anaphase-II. The study is useful in chromosomal evolution and in the solution of taxonomic problems within the family Syrphidae.</description><subject>Anaphase</subject><subject>Biomedical and Life Sciences</subject><subject>Cell Biology</subject><subject>Chromosome number</subject><subject>Chromosomes</subject><subject>Heterochromatin</subject><subject>Life Sciences</subject><subject>Meiosis</subject><subject>Metaphase</subject><subject>Microbiology</subject><subject>Morphology</subject><subject>Original Article</subject><subject>Pachytene</subject><subject>Plant Sciences</subject><subject>Sex</subject><subject>Sex chromosomes</subject><subject>Species</subject><subject>Syrphidae</subject><subject>Y chromosomes</subject><subject>Zoology</subject><issn>0006-3088</issn><issn>1336-9563</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp9UE1LxDAQDaLguvoHPAW8KFidfLWpN1l3dWHBg3oOaZu6WbpNTbosvfjbjVbw5mVmePPeY-YhdE7ghvJM3gZCMpEmQGQCsfBkf4AmhLE0yUXKDtEEANKEgZTH6CSEDQDPBJAJ-lxYH3rsTed8j12L-7XB5dq7rQtuqxusW90MwQbs6rjzxuDQmdKaEfC2MHjubeh1Y1uLLx9s1xuv7_DL4Lu1rbS5wnV0w24Xcfxko6cedLjGy7ay-hQd1boJ5uy3T9HbYv46e0pWz4_L2f0qKWkGfSI0T0VORV7TIo5g8pTVgkuoCMiqKAhnkuexFyWvi4rpjJGKZWCEjHhl2BRdjL6ddx87E3q1cTsfXwuKUgIgqKQQWXRkld6F4E2tOh8P9oMioL5zVmPOKkasfnJW-yhioyhEcvtu_J_1P6ovgmWB5Q</recordid><startdate>20190501</startdate><enddate>20190501</enddate><creator>Khajuria, Manvi</creator><creator>Bhatti, Arshad Ayoub</creator><creator>Tripathi, N. 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Eristalinus laetus
and
E. obscuritarsis
showed 2n = 10 diploid chromosome number and the remaining third species
E. obliquus
revealed 2n = 12 chromosomes as diploid number. All the three species exhibited XY sex mechanism in males. The morphology of Y chromosome was similar in all the three species studied. C-banding revealed the presence of constitutive heterochromatin at pericentromeric locations and established the euchromatic or heterochromatic nature of sex chromosomes. Meiotic observations included leptotene, pachytene, diplotene, metaphase-II and anaphase-II. The study is useful in chromosomal evolution and in the solution of taxonomic problems within the family Syrphidae.</abstract><cop>Cham</cop><pub>Springer International Publishing</pub><doi>10.2478/s11756-018-00184-w</doi><tpages>7</tpages></addata></record> |
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| subjects | Anaphase Biomedical and Life Sciences Cell Biology Chromosome number Chromosomes Heterochromatin Life Sciences Meiosis Metaphase Microbiology Morphology Original Article Pachytene Plant Sciences Sex Sex chromosomes Species Syrphidae Y chromosomes Zoology |
| title | First report on the chromosomal analysis of three species of tribe Eristalini (Diptera: Syrphidae) from outer Himalayas, India |
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