Hemogregarines from Thamnophis s. sirtalis, Coluber constrictor priapus, Elaphe obsoleta quadrivittata, and E. g. guttata in northern Florida appeared to be conspecific on the basis of similar gamonts from all the hosts and sporogonic stages obtained from 3 hosts. The resemblance of gamonts to those of Hepatozoon sauritus, described from T. sauritus sackenii in southern Florida, justified comparison of DNA isolates from the type infection of H. sauritus with samples from each of the northern Florida hosts and with a morphologically distinct species, H. sirtalis, from northern Florida. A nucleotide sequence (530 bp) alignment of the 18S ribosomal RNA gene revealed 2 hemogregarine haplotypes that varied at 15 sites (p distance = 2.8%), which included 10 transitions and 5 transversions. Two well-supported clusters (100% bootstrap support) were revealed by a neighbor-joining tree topology. One cluster included the type infection of H. sauritus and all 4 of the other samples from the northern Florida hosts, with samples of H. sirtalis comprising a second cluster. Hepatozoon sauritus, therefore, is a polytopic species in contrast to the 8 other Hepatozoon species thus far described from snakes in Florida, each of which appears to parasitize a single host species.
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April 2004
Research Article|
April 01 2004
HEPATOZOON SAURITUS: A POLYTOPIC HEMOGREGARINE OF THREE GENERA AND FOUR SPECIES OF SNAKES IN NORTH FLORIDA, WITH SPECIFIC IDENTITY VERIFIED FROM GENOME ANALYSIS
Sam R. Telford Jr.;
Sam R. Telford Jr.
The Florida Museum of Natural History, University of Florida, Gainesville, Florida 32611. afn52007@afn.org
* Present address: 1712 NW 49th Terrace, Gainesville, Florida 32605
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Joel A. Ernst;
Joel A. Ernst
The Florida Museum of Natural History, University of Florida, Gainesville, Florida 32611. afn52007@afn.org
† BEECS Genetic Analysis Laboratory, University of Florida, 421 Carr Hall, Gainesville, Florida 32611
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A. M. Clark;
A. M. Clark
The Florida Museum of Natural History, University of Florida, Gainesville, Florida 32611. afn52007@afn.org
† BEECS Genetic Analysis Laboratory, University of Florida, 421 Carr Hall, Gainesville, Florida 32611
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J. F. Butler
J. F. Butler
The Florida Museum of Natural History, University of Florida, Gainesville, Florida 32611. afn52007@afn.org
‡ Department of Entomology and Nematology, Institute of Food and Agricultural Sciences, University of Florida, P.O. Box 110620, Gainesville, Florida 32611
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J Parasitol (2004) 90 (2): 352–358.
Citation
Sam R. Telford Jr., Joel A. Ernst, A. M. Clark, J. F. Butler; HEPATOZOON SAURITUS: A POLYTOPIC HEMOGREGARINE OF THREE GENERA AND FOUR SPECIES OF SNAKES IN NORTH FLORIDA, WITH SPECIFIC IDENTITY VERIFIED FROM GENOME ANALYSIS. J Parasitol 1 April 2004; 90 (2): 352–358. doi: https://doi.org/10.1645/GE-3258
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