Molluscan Research 26(1):
1-7; published 22 May 2006
Copyright © The
Malacological Society of Australasia
Genetic differentiation among three
species of mud snails (Cerithioidea: Gastropoda) from South Sulawesi,
Indonesia by means of isozymes
GUNARTO LATAMA1 AND
VIBEKE SIMONSEN2
1Fishery Department, Faculty Marine Science and Fishery,
Hasanuddin University, Makassar, Indonesia
2National Environmental Research Institute, Vejlsoevej 25,
DK-8600 Silkeborg, Denmark.
Email vs@dmu.dk (corresponding author)
Abstract
A total of 137 mud snails
collected along the southern part of Sulawesi, Indonesia were analysed
for 12 enzymes encoded by 14 loci. Two species, Cerithium coralium
and Cerithidea microptera, were only found at one of four
localities sampled whereas Cerithidea cingulata was present at
all four localities. Deficiencies of heterozygotes were seen for
several of the loci, mainly for C. coralium and C.
microptera. The enzyme phosphoglucomutase was species-specific for
C. coralium and revealed a unique allele for C. cingulata
from the western part of South Sulawesi. The total sample was assigned
to four groups; two of the groups corresponded to the species C.
coralium and C. microptera, but C. cingulata divided
into two groups, one consisting of the sample from the western part of
South Sulawesi and the other of three samples representing the
southern and eastern coastline. Determination of the significance of
the differentiation among the C. cingulata samples requires
further study.
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