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Spectrophotometric analysis of haemoglobins of some digenetic trematodes and their hosts

Published online by Cambridge University Press:  05 June 2009

S. Ashfaq Haider
Affiliation:
Section of Parasitology, Department of Zoology, Aligarh Muslim University, Aligarh-202001, India
Ather H. Siddiqi
Affiliation:
Section of Parasitology, Department of Zoology, Aligarh Muslim University, Aligarh-202001, India

Abstract

The haemoglobins of six different species of trematodes: Gastrothylax crumenifer, Srivastavaia indica, Gigantocotyle explanatum, Fasciolopsis buski, Gastrodiscoides hominis Isoparorchis hypselobagri and their three different hosts: Bubalus bubalis, Sus scrofa, and Wallago attu were spectrophotometrically investigated, and were found to contain porphyrin IX as the common prosthetic group. Oxyhaemoglobin, carbonmonoxy-haemoglobin and reduced haemoglobin of all 6 species of trematodes and their 3 hosts under study gave similar absorption maxima. Distinct differences were, however, observed in the nature of the spectral curves of cyanmethaemoglobin which exhibit 2 absorption maxima in the β and the α region in the case of al trematodes whereas in the case of similar host haemoglobin derivatives only one single broad peak in the 536–540 nm region was obtained. With respect to pyridine derivatives all the trematode haemoglobins show a sharp peak in the α region and a minor hump in the β region except Gastrothylax crumenifer. All three host pyridine haemoglobin derivatives show only a single broad peak at 570 nm.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1976

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