Chironomid Midges (Diptera, Chironomidae) Show Extremely Small Genome Sizes
© 2015 Zoological Society of Japan. Chironomid midges (Diptera; Chironomidae) are found in various environments from the high Arctic to the Antarctic, including temperate and tropical regions. In many freshwater habitats, members of this family are among the most abundant invertebrates. In the prese...
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ftneicon:oai:rour.neicon.ru:rour/176096 2023-05-15T14:00:43+02:00 Chironomid Midges (Diptera, Chironomidae) Show Extremely Small Genome Sizes Cornette R. Gusev O. Nakahara Y. Shimura S. Kikawada T. Okuda T. 2015 https://openrepository.ru/article?id=176096 unknown Zoological Science 3 32 248 http://rour.neicon.ru:80/xmlui/bitstream/rour/176096/1/nora.pdf 0289-0003 https://openrepository.ru/article?id=176096 SCOPUS02890003-2015-32-3-SID84929895368 C-value chironomids ecological adaptation genome size insects Article 2015 ftneicon 2020-07-21T11:59:45Z © 2015 Zoological Society of Japan. Chironomid midges (Diptera; Chironomidae) are found in various environments from the high Arctic to the Antarctic, including temperate and tropical regions. In many freshwater habitats, members of this family are among the most abundant invertebrates. In the present study, the genome sizes of 25 chironomid species were determined by flow cytometry and the resulting C-values ranged from 0.07 to 0.20 pg DNA (i.e. from about 68 to 195 Mbp). These genome sizes were uniformly very small and included, to our knowledge, the smallest genome sizes recorded to date among insects. Small proportion of transposable elements and short intron sizes were suggested to contribute to the reduction of genome sizes in chironomids. We discuss about the possible developmental and physiological advantages of having a small genome size and about putative implications for the ecological success of the family Chironomidae. Article in Journal/Newspaper Antarc* Antarctic Arctic NORA (National aggregator of open repositories of Russian universities) Antarctic Arctic The Antarctic |
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Open Polar |
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NORA (National aggregator of open repositories of Russian universities) |
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ftneicon |
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unknown |
topic |
C-value chironomids ecological adaptation genome size insects |
spellingShingle |
C-value chironomids ecological adaptation genome size insects Cornette R. Gusev O. Nakahara Y. Shimura S. Kikawada T. Okuda T. Chironomid Midges (Diptera, Chironomidae) Show Extremely Small Genome Sizes |
topic_facet |
C-value chironomids ecological adaptation genome size insects |
description |
© 2015 Zoological Society of Japan. Chironomid midges (Diptera; Chironomidae) are found in various environments from the high Arctic to the Antarctic, including temperate and tropical regions. In many freshwater habitats, members of this family are among the most abundant invertebrates. In the present study, the genome sizes of 25 chironomid species were determined by flow cytometry and the resulting C-values ranged from 0.07 to 0.20 pg DNA (i.e. from about 68 to 195 Mbp). These genome sizes were uniformly very small and included, to our knowledge, the smallest genome sizes recorded to date among insects. Small proportion of transposable elements and short intron sizes were suggested to contribute to the reduction of genome sizes in chironomids. We discuss about the possible developmental and physiological advantages of having a small genome size and about putative implications for the ecological success of the family Chironomidae. |
format |
Article in Journal/Newspaper |
author |
Cornette R. Gusev O. Nakahara Y. Shimura S. Kikawada T. Okuda T. |
author_facet |
Cornette R. Gusev O. Nakahara Y. Shimura S. Kikawada T. Okuda T. |
author_sort |
Cornette R. |
title |
Chironomid Midges (Diptera, Chironomidae) Show Extremely Small Genome Sizes |
title_short |
Chironomid Midges (Diptera, Chironomidae) Show Extremely Small Genome Sizes |
title_full |
Chironomid Midges (Diptera, Chironomidae) Show Extremely Small Genome Sizes |
title_fullStr |
Chironomid Midges (Diptera, Chironomidae) Show Extremely Small Genome Sizes |
title_full_unstemmed |
Chironomid Midges (Diptera, Chironomidae) Show Extremely Small Genome Sizes |
title_sort |
chironomid midges (diptera, chironomidae) show extremely small genome sizes |
publishDate |
2015 |
url |
https://openrepository.ru/article?id=176096 |
geographic |
Antarctic Arctic The Antarctic |
geographic_facet |
Antarctic Arctic The Antarctic |
genre |
Antarc* Antarctic Arctic |
genre_facet |
Antarc* Antarctic Arctic |
op_source |
SCOPUS02890003-2015-32-3-SID84929895368 |
op_relation |
Zoological Science 3 32 248 http://rour.neicon.ru:80/xmlui/bitstream/rour/176096/1/nora.pdf 0289-0003 https://openrepository.ru/article?id=176096 |
_version_ |
1766270063682256896 |