![]() pacificum from other species analyzed and also indicate the possible paraphyly of Spirometra. Phylogenetic trees constructed from ITS2 sequences show a markedly distant position of D. ![]() ditremum exhibited intraspecific sequence similarity of 97.0-98.0% and 98.2-99.9%, respectively. pacificum) species was 86.1-99.6%, whereas individual isolates of D. This does not affect the flavor or the texture of pickled fish. With the first, simmer fish in pickling brine to 140 degrees F. There are two schools of thought on how to destroy the tapeworm. Interspecific sequence similarity between all but one (D. The broad fish tapeworm infection can be contracted by humans from eating raw or undercooked species of fish found in the Great Lakes area. lanceolatum) and two species of Spirometra (sequence similarity 77.5-81.9%). ITS2 sequences of this cestode differed markedly (sequence similarity 79.0-80.2%) from those of the most common human-infecting cestode, the broad fish tapeworm Diphyllobothrium latum (L.), as well as other four species of Diphyllobothrium, including potential human parasites (D. Diphyllobothrium tapeworms are among the largest parasites of humans and may grow up to 2 to 15 m in length as adults in the intestine the maximum length (up. pacificum from other species analyzed and also indicate the possible paraphyly of Spirometra.ĪB - Using ITS2 gene sequences, the validity of the tapeworm Diphyllobothrium pacificum (Nybelin, 1931), infecting humans on the Pacific coast of South America and in Japan, was assessed. Interspecific sequence similarity between all but one (D. ITS2 sequences of this cestode differed markedly (sequence similarity 79.0-80.2%) from those of the most common human-infecting cestode, the broad fish tapeworm Diphyllobothrium latum (L.), as well as other four species of Diphyllobothrium, including potential human parasites (D. N2 - Using ITS2 gene sequences, the validity of the tapeworm Diphyllobothrium pacificum (Nybelin, 1931), infecting humans on the Pacific coast of South America and in Japan, was assessed. ITS2 sequences of this cestode differed markedly (sequence similarity 79.0-80.2) from those of the most common human-infecting cestode, the broad fish tapeworm. T1 - Is the human-infecting Diphyllobothrium pacificum a valid species or just a South American population of the holarctic fish broad tapeworm, D. pacificum from other species analyzed and also indicate the possible paraphyly of Spirometra.", ![]() ditremum exhibited intraspecific sequence similarity of 97.0-98.0% and 98.2-99.9%, respectively. Diphyllobothriosis is a reemerging zoonotic disease because of global trade and increased popularity of eating raw fish. latum.Abstract = "Using ITS2 gene sequences, the validity of the tapeworm Diphyllobothrium pacificum (Nybelin, 1931), infecting humans on the Pacific coast of South America and in Japan, was assessed. The scolex was not present in this specimen. Adequately freezing or cooking fish will kill the parasite. Fish infected with Diphyllobothrium larvae may be transported to and consumed in any area of the world. Infections are acquired by eating raw or undercooked fish, usually from the Northern Hemisphere (Europe, newly independent states of the Former Soviet Union, North America, Asia), but cases have also been reported in Uganda and Chile. Safe and effective medications are available to treat Diphyllobothrium. Diagnosis is made by identification of eggs or segments of the tapeworm in a stool sample with a microscope. While most infections are asymptomatic, complications include intestinal obstruction and gall bladder disease caused by migration of proglottids. Diphyllobothrium latum and related species (the fish or broad tapeworm), the largest tapeworms that can infect people, can grow up to 30 feet long.
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