Diversity in the Monogenea and Digenea: does lifestyle matter?

Cribb, Thomas H.; Chisholm, Leslie A.; Bray, Rodney A.

doi:10.1016/s0020-7519(01)00333-2

Cited by 89 publications

(71 citation statements)

References 33 publications

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“…Host switch events over fish family (order) borders are indeed moderately common during the evolution of Gyrodactylus, as predicted by Brooks and McLennan (1993), Rohde (1998), Poulin (2002), and Cribb et al (2002). Episodes of adaptive radiation, that is, sudden burst of new species, also seem to occur.…”

Section: Resultsmentioning

confidence: 55%

“…The viviparous Monogenean fish parasite genus Gyrodactylus is one of the most specious genera among Metazoan animals (Cribb et al 2002). A recent number of nominal species was 402, but the estimated global number of taxa might be more than 20,000 (Bakke et al 2002).…”

mentioning

confidence: 99%

“…Rather than the alternative, the aspects emphasized by Rohde (1996) are complementary to earlier suggestions. Poulin (2002) and Cribb et al (2002) compiled all the lifestyle characteristics that could possibly influence the speciation rate.…”

mentioning

confidence: 99%

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Speciation by Host Switch and Adaptive Radiation in a Fish Parasite Genus Gyrodactylus (Monogenea, Gyrodactylidae)

2002

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Abstract. Four hundred Gyrodactylus species have been formally described, but the estimated number of species in this fish ectoparasite genus of Monogenean Platyhelminthes is more than 20,000. The unusually high species richness has lead to the hypotheses of speciation and adaptive radiation via host switching. These hypotheses were tested by reconstructing a molecular phylogeny for the subgenus G. (Limnonephrotus) which is a group of freshwater parasites, including five species infecting wild and farmed salmonids. The highly variable ITS1 and ITS2 segments and the conservative 5.8S ribosomal gene were sequenced in 22 species plus two species representing the subgenus G. (Paranephrotus) as an outgroup. The phylogeny was compared with host systematics: the species were collected from six fish families (Cyprinidae, Salmonidae, Percidae, Esocidae, Gasterosteidae, and Gobitidae). The phylogenetic analysis demonstrated that G. (Limnonephrotus) is a monophyletic group that was originally hosted by cyprinids. The speciation has occurred in two episodes, the older one manifested in genetic distances 25-33% (4-6 Myr BP). The latter speciation burst occurred in one clade only, perhaps one million years ago. This clade has been morphologically identified as a wageneri species group. It is a monophyletic group of 18 species [studied here] and contains all five salmonid parasites, but also parasites, on cyprinids, percids, esocids, and gasterosteids. In G. (Limnonephrotus), eight host switches crossing the host family barrier were observed, and at least three of them were followed by repetitive speciation. Seven host-switch events were statistically confirmed by bootstrapping. The suggested model of speciation by host switch was accepted, and interestingly the adaptive radiation seems to be a consequence of host switch to a new family (key innovation model). The molecular and ecological evolution rate of Gyrodactylus parasites is manyfold in comparison to host species, and the phylogenies are largely independent and disconnected.

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Section: Resultsmentioning

confidence: 55%

mentioning

confidence: 99%

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Speciation by Host Switch and Adaptive Radiation in a Fish Parasite Genus Gyrodactylus (Monogenea, Gyrodactylidae)

2002

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“…En el Perú, especies del género Gorgoderina han sido registradas en seis especies y en dos familias diferentes de anfibios: Batrachophrynus macrostomus Peters, 1863, Bufo limensis Werner, 1901, B. spinolosus Wiegmann, 1835, Leptodactylus rhodonotus (Günther, 1868), Telmatobius culeus (Garman, 1875) y T. peruvianus Wiegmann, 1835(TANTALEAN et al 1992, TANTALEÁN & GARCÍA 1993, IBÁÑEZ 1998). CRIBB et al (2002 señalan que los digeneos gorgoderidos requieren de un hospedero intermediario del grupo de los bivalvos para llegar a su hospedero definitivo.…”

Section: Discussionunclassified

Helmintos parásitos de Telmatobius jelskii (Peters) (Anura, Leptodactylidae) de Lima, Perú

Iannacone

2003

Rev. Bras. Zool.

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“…Remarks: Phyllodistomum Braun, 1899 (Trematoda: Gorgoderidae) is the largest genus that comprises more than 110 species and is one of the two largest genera of trematodes (Kudinova 1994;Cribb et al, 2002). Species of Phyllodistomum are generally parasitic the urinary bladder of fi shes, but sometimes infect amphibians and reptiles (Beilfu 1954;Rai 1964;Schell 1967;Wanson & Larson 1972;Hoffman 1999).…”

Section: Phyllodistomum Chauhanimentioning

confidence: 99%

Molecular characterization of three species belongs to the Allocreadioidea, Hemiuroidea and Plagiorchioidea (Platyhelminthes: Trematoda) infecting freshwater fishes in India

2016

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SummaryThree species of digenetic trematodes are redescribed based on specimens collected from the intestine of freshwater fi shes of Hastinapur and Meerut (U.P.), India: Allocreadium handiai (Pande, 1937) Madhavi, 1980 (Allocreadioidea: Allocreadiidae) from Mystus tengara (Hamilton, 1822) (Siluriformes: Bagridae), Genarchopsis goppo Ozaki, 1925 (Hemiuroidea: Derogenidae) and Phyllodistomum chauhani Motwani & Srivastava, 1961 (Plagiorchioidea: Gorgoderidae) from Channa punctata (Bloch, 1793) (Perciformes: Channidae). The three species were subjected to morphological, morphometric and molecular analyses. The morphological study revealed that A. handiai, G. goppo and P. chauhani can be distinguished by their congeners on the basis of their morphology. Partial nucleotide sequences of the 28S ribosomal RNA gene were obtained from the three trematode species and deposited in the GenBank. A phylogenetic reconstruction based on the 28S rRNA gene placed the three studied species within their respective families and their validity is discussed. For the fi rst time molecular data of newly collected material of these species from India were used for confi rmation of their validity and to assess their phylogenetic relationships.

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Diversity in the Monogenea and Digenea: does lifestyle matter?

Cited by 89 publications

References 33 publications

Speciation by Host Switch and Adaptive Radiation in a Fish Parasite Genus Gyrodactylus (Monogenea, Gyrodactylidae)

Speciation by Host Switch and Adaptive Radiation in a Fish Parasite Genus Gyrodactylus (Monogenea, Gyrodactylidae)

Helmintos parásitos de Telmatobius jelskii (Peters) (Anura, Leptodactylidae) de Lima, Perú

Molecular characterization of three species belongs to the Allocreadioidea, Hemiuroidea and Plagiorchioidea (Platyhelminthes: Trematoda) infecting freshwater fishes in India

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