Abstract:
:Larvae of Chironomus riparius respond to ion-poor and brackish water (IPW, BW) conditions by activating ion uptake mechanisms in the anal papillae and reducing ion absorption at the rectum, respectively. The role that the Malpighian tubules play in ion and osmoregulation under these conditions is not known in this species. This study examines rates of fluid secretion and major cation composition of secreted fluid from tubules of C. riparius reared in IPW, freshwater (FW) and BW. Fluid secretion of tubules from FW and BW larvae was similar but tubules from IPW larvae secrete fluid at higher rates, are more sensitive to serotonin stimulation, and the secreted fluid contains less Na(+) . Therefore in IPW, tubules work in concert with anal papillae to eliminate excess water while conserving Na(+) in the hemolymph. Tubules do not appear to play a significant role in ion/osmoregulation under BW. Serotonin immunoreactivity in the nervous system and gastrointestinal tract of larval C. riparius was similar to that seen in mosquito larvae with the exception that the hindgut was devoid of staining. Hemolymph serotonin titer was similar in FW and IPW; hence, serotonin is not responsible for the observed high rates of fluid secretion in IPW. Instead, it is suggested that serotonin may work in a synergistic manner with an unidentified hormonal factor in IPW. Ion transport mechanisms in the tubules of C. riparius are pharmacologically similar to those of other insects.
journal_name
Arch Insect Biochem Physioljournal_title
Archives of insect biochemistry and physiologyauthors
Zadeh-Tahmasebi M,Bui P,Donini Adoi
10.1002/arch.21342subject
Has Abstractpub_date
2016-10-01 00:00:00pages
67-85issue
2eissn
0739-4462issn
1520-6327journal_volume
93pub_type
杂志文章abstract::Many studies have documented the involvement of eicosanoids in insect cellular immune responses to bacteria. The use of the fungal pathogen Beauveria bassiana as a nodulation elicitor, with inhibition of phospholipase A(2) by dexamethasone, extends the principle to fungi. This study also provides the first evidence of...
journal_title:Archives of insect biochemistry and physiology
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journal_title:Archives of insect biochemistry and physiology
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doi:10.1002/arch.20064
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journal_title:Archives of insect biochemistry and physiology
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abstract::A trypsin inhibitor purified from the seeds of the Manila tamarind, Pithecellobium dulce (PDTI), was studied for its effects on growth parameters and developmental stages of Helicoverpa armigera. PDTI exhibited inhibitory activity against bovine trypsin (∼86%; ∼1.33 ug/ml IC50). The inhibitory activity of PDTI was una...
journal_title:Archives of insect biochemistry and physiology
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journal_title:Archives of insect biochemistry and physiology
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journal_title:Archives of insect biochemistry and physiology
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doi:10.1002/arch.1029
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journal_title:Archives of insect biochemistry and physiology
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journal_title:Archives of insect biochemistry and physiology
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doi:10.1002/arch.20224
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journal_title:Archives of insect biochemistry and physiology
pub_type: 杂志文章
doi:10.1002/arch.21212
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journal_title:Archives of insect biochemistry and physiology
pub_type: 杂志文章,评审
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更新日期:1995-01-01 00:00:00
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journal_title:Archives of insect biochemistry and physiology
pub_type: 杂志文章
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journal_title:Archives of insect biochemistry and physiology
pub_type: 杂志文章
doi:10.1002/arch.20181
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journal_title:Archives of insect biochemistry and physiology
pub_type: 杂志文章
doi:10.1002/arch.940250202
更新日期:1994-01-01 00:00:00
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journal_title:Archives of insect biochemistry and physiology
pub_type: 杂志文章
doi:10.1002/arch.940290210
更新日期:1995-01-01 00:00:00
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journal_title:Archives of insect biochemistry and physiology
pub_type: 杂志文章
doi:10.1002/arch.20134
更新日期:2006-08-01 00:00:00
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journal_title:Archives of insect biochemistry and physiology
pub_type: 杂志文章
doi:10.1002/arch.21654
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journal_title:Archives of insect biochemistry and physiology
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journal_title:Archives of insect biochemistry and physiology
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journal_title:Archives of insect biochemistry and physiology
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journal_title:Archives of insect biochemistry and physiology
pub_type: 杂志文章
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更新日期:2013-03-01 00:00:00
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journal_title:Archives of insect biochemistry and physiology
pub_type: 杂志文章
doi:10.1002/arch.940150104
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journal_title:Archives of insect biochemistry and physiology
pub_type: 杂志文章
doi:10.1002/arch.940200403
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journal_title:Archives of insect biochemistry and physiology
pub_type: 杂志文章
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更新日期:2011-02-01 00:00:00
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journal_title:Archives of insect biochemistry and physiology
pub_type: 杂志文章
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journal_title:Archives of insect biochemistry and physiology
pub_type: 杂志文章
doi:10.1002/arch.21163
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journal_title:Archives of insect biochemistry and physiology
pub_type: 杂志文章
doi:10.1002/arch.21692
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abstract::Calyx fluid and venom from the braconid parasitoid Microplitis demolitor differentially affected the development of Pseudoplusia includens and Heliothis virescens. P. includens exhibited delays in larval development, supernumerary instars, and formed larval-pupal intermediates when injected with 0.01-0.10 wasp equival...
journal_title:Archives of insect biochemistry and physiology
pub_type: 杂志文章
doi:10.1002/arch.940180302
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journal_title:Archives of insect biochemistry and physiology
pub_type: 杂志文章
doi:10.1002/arch.20255
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