Aquatic silk proteins in Chironomus: A review

Silk proteins secreted by salivary glands in the dipteran insect, Chironomus play a significant role as proteinaceous adhesives for construction of underwater housing nests by larvae. To date, only three Chironomus species, C. tentans Fabricius, C. pallidivittatus Malloch and C. riparius Meigen have...

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Main Authors: Leena J. Thorat, Bimalendu B. Nath
Format: Article
Language:English
Published: PAGEPress Publications 2018-07-01
Series:Journal of Limnology
Subjects:
Online Access:https://www.jlimnol.it/index.php/jlimnol/article/view/1797
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author Leena J. Thorat
Bimalendu B. Nath
author_facet Leena J. Thorat
Bimalendu B. Nath
author_sort Leena J. Thorat
collection DOAJ
description Silk proteins secreted by salivary glands in the dipteran insect, Chironomus play a significant role as proteinaceous adhesives for construction of underwater housing nests by larvae. To date, only three Chironomus species, C. tentans Fabricius, C. pallidivittatus Malloch and C. riparius Meigen have been explored for characterization of their aquatic silk protein. Genes coding for silk proteins are located on specific chromosomal ‘puffs’ called Balbiani rings as well as non-Balbiani ring regions.  Expression of these genes is closely regulated by developmental and hormonal alterations and environmental factors. Furthermore, pilot studies have postulated that silk proteins probably occur in diverse size classes grouped into large (~1000 kDa), intermediate (100-200 kDa) and small (≤100 kDa). Barring few preliminary reports that date back to the 1990s, the physical and bioproperties of silk from chironomid midges remain largely unknown, leading to paucity of updated information. This review was therefore aimed to compile existing literature database and to highlight the wide possibilities for commercialization of midge larval silk as a novel biopolymer.
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spelling doaj.art-23202af627e84f5d87cfdabf6817af042022-12-21T20:55:29ZengPAGEPress PublicationsJournal of Limnology1129-57671723-86332018-07-0110.4081/jlimnol.2018.1797Aquatic silk proteins in Chironomus: A reviewLeena J. Thorat0Bimalendu B. Nath1Savitribai Phule Pune University, Department of ZoologySavitribai Phule Pune University, Department of ZoologySilk proteins secreted by salivary glands in the dipteran insect, Chironomus play a significant role as proteinaceous adhesives for construction of underwater housing nests by larvae. To date, only three Chironomus species, C. tentans Fabricius, C. pallidivittatus Malloch and C. riparius Meigen have been explored for characterization of their aquatic silk protein. Genes coding for silk proteins are located on specific chromosomal ‘puffs’ called Balbiani rings as well as non-Balbiani ring regions.  Expression of these genes is closely regulated by developmental and hormonal alterations and environmental factors. Furthermore, pilot studies have postulated that silk proteins probably occur in diverse size classes grouped into large (~1000 kDa), intermediate (100-200 kDa) and small (≤100 kDa). Barring few preliminary reports that date back to the 1990s, the physical and bioproperties of silk from chironomid midges remain largely unknown, leading to paucity of updated information. This review was therefore aimed to compile existing literature database and to highlight the wide possibilities for commercialization of midge larval silk as a novel biopolymer.https://www.jlimnol.it/index.php/jlimnol/article/view/1797Chironomusmidgeaquatic silk proteinsalivary glandsBalbiani ringbiological adhesive
spellingShingle Leena J. Thorat
Bimalendu B. Nath
Aquatic silk proteins in Chironomus: A review
Journal of Limnology
Chironomus
midge
aquatic silk protein
salivary glands
Balbiani ring
biological adhesive
title Aquatic silk proteins in Chironomus: A review
title_full Aquatic silk proteins in Chironomus: A review
title_fullStr Aquatic silk proteins in Chironomus: A review
title_full_unstemmed Aquatic silk proteins in Chironomus: A review
title_short Aquatic silk proteins in Chironomus: A review
title_sort aquatic silk proteins in chironomus a review
topic Chironomus
midge
aquatic silk protein
salivary glands
Balbiani ring
biological adhesive
url https://www.jlimnol.it/index.php/jlimnol/article/view/1797
work_keys_str_mv AT leenajthorat aquaticsilkproteinsinchironomusareview
AT bimalendubnath aquaticsilkproteinsinchironomusareview