当前位置： SCI文献检索 > GENERAL AND COMPARATIVE ENDOCRINOLOGY期刊下所有文献 > Cockroach allatostatin-like immunoreactivity in the central nervous system of the freshwater snails Bulinus globosus (Planorbidae) and Stagnicola elodes (Lymnaeidae).

Cockroach allatostatin-like immunoreactivity in the central nervous system of the freshwater snails Bulinus globosus (Planorbidae) and Stagnicola elodes (Lymnaeidae).

Abstract：

:Allatostatin-like immunoreactivity was demonstrated in the central nervous system (CNS) neurons of the freshwater pulmonate snails Bulinus globosus (Planorbidae) and Stagnicola elodes (Lymnaeidae). Immunopositive neurons were localized using a monoclonal antibody highly specific to allatostatin I (APSGAQRLYGFGL-amide) from the cockroach Diploptera punctata. All CNS ganglia in both snail species contained immunopositive neurons. The pedal ganglia showed large numbers (80-100) of neurons in Bulinus and Stagnicola. Large numbers of immunopositive cells were also found in the cerebral (60) and buccal ganglia (20) of Bulinus. Other ganglia contained fewer immunopositive cells, but these cells were most concentrated in the cerebral (Stagnicola) and left parietal (Bulinus) ganglia and the visceral ganglia of both species. The high concentration of immunopositive cells in the pedal ganglia and axons demonstrable in the pedal nerves suggests that one possible function for a molluscan allatostatin-like peptide would be to modulate muscular function. Extract of Stagnicola CNS effected 50% inhibition of juvenile hormone synthesis by corpora allata of D. punctata at between 15 and 30 CNS equivalents, providing further evidence that the molluscan immunoreactive material is a peptide, or peptides, with sequence similarity to the active part of the D. punctata allatostatins.

journal_name

Gen Comp Endocrinol

journal_title

General and comparative endocrinology

authors

Rudolph PH,Stay B

doi

10.1006/gcen.1996.6871

subject

Has Abstract

pub_date

1997-05-01 00:00:00

pages

241-50

issue

2

eissn

0016-6480

issn

1095-6840

pii

S0016-6480(96)96871-9

journal_volume

106

pub_type

杂志文章

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