New Species of <i>Cloacina</i> Von Linstow, 1898 (Nematoda: Strongylida) from the Swamp Wallaby, <i>Wallabia Bicolor</i> (Desmarest, 1804) (Marsupialia)

Beveridge, Ian; Jabbar, Abdul; Shuttleworth, Mary

doi:10.1080/03721426.2014.11649011

Cited by 7 publications

(6 citation statements)

References 4 publications

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“…Nematodes were identified following Beveridge (1998, 1999) and Beveridge et al . (2014 a , b ). Voucher specimens (hologenophores) have been deposited in the South Australian Museum (SAM), Adelaide (Table 1).…”

Section: Methodsmentioning

confidence: 99%

“…In spite of these potential difficulties, the phenomenon of species flocks in parasites clearly warrants further study. The genus Cloacina , found in the stomachs of macropodid marsupials may represent a suitable model for additional studies as it currently contains 116 described species (Beveridge, 1998, 1999, 2002, 2014; Beveridge and Speare, 1999; Beveridge et al 2014 a , b ) with several additional species as yet undescribed (Chilton et al 2009). These nematodes also have a relatively high degree of host specificity (Beveridge et al 2002).…”

Section: Introductionmentioning

confidence: 99%

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Speciation in the genusCloacina(Nematoda: Strongylida): species flocks and intra-host speciation

et al. 2017

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Sequences of the first and second internal transcribed spacers (ITS1 + ITS2) of nuclear ribosomal DNA were employed to determine whether the congeneric assemblages of species of the strongyloid nematode genus Cloacina, found in the forestomachs of individual species of kangaroos and wallabies (Marsupialia: Macropodidae), considered to represent species flocks, were monophyletic. Nematode assemblages examined in the black-striped wallaby, Macropus (Notamacropus) dorsalis, the wallaroos, Macropus (Osphranter) antilopinus/robustus, rock wallabies, Petrogale spp., the quokka, Setonix brachyurus, and the swamp wallaby, Wallabia bicolor, were not monophyletic and appeared to have arisen by host colonization. However, a number of instances of within-host speciation were detected, suggesting that a variety of methods of speciation have contributed to the evolution of the complex assemblages of species present in this genus.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Speciation in the genusCloacina(Nematoda: Strongylida): species flocks and intra-host speciation

et al. 2017

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“…Phylogenetic analyses were performed on individual (ITS-1 or ITS-2) or concatenated (ITS-1+ITS-2) sequence datasets using Bayesian inference (BI) and Neighbor-Joining (NJ) methods. Previously published ITS sequences of Cloacina atthis and C. clymene (available from GenBank) were also included (Beveridge et al, 2014). The ITS-1 and ITS-2 rDNA sequences of Arundelia dissimilis were used as the outgroup (Shuttleworth et al, 2014).…”

Section: Phylogenetic Analyses 128mentioning

confidence: 99%

“…Kangaroos and wallabies (family Macropodidae) harbour an extremely diverse fauna of strongyloid nematodes in their sacculated forestomachs (Beveridge and Spratt, 1996); among these nematodes, the nematode subfamily Cloacininae is the most diverse group, with 36 genera and over 256 described species (Beveridge and Chilton, 2001). The most diverse genus within the subfamily is Cloacina, with more than 115 described species (Beveridge, 1998(Beveridge, , 2014Beveridge et al, 2014;. In addition to this morphological diversity, molecular analyses of Cloacina species have revealed extensive genetic variation within the genus, based on the characterization of the first and second internal transcribed spacers (ITS-1 and ITS-2 = ITS) of nuclear ribosomal DNA (rDNA) (Chilton et al, 2009;Shuttleworth et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

“…The common wallaroo, Macropus robustus, is host to the largest number of species of Cloacina of any macropodid marsupial, with 23 described morphospecies (Beveridge, 1998;2014;Beveridge et al, 2014;. The common wallaroo is currently subdivided into four subspecies, three of which are located across the Australian mainland (M. r. robustus along the eastern coast; M. r. erubescens across inland areas; M. r. woodwardi in the tropical north and northwest; Van Dyck and Strahan, 2008).…”

Section: Introductionmentioning

confidence: 99%

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Molecular characterization of species of Cloacina (Strongyloidea: Cloacininae) from the common wallaroo, Macropus robustus (Marsupialia: Macropodidae) in Australia

Shuttleworth

Beveridge

Koehler

et al. 2016

Infection, Genetics and Evolution

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This study examined genetic variation within and among species of Cloacina found in the common wallaroo (Macropus robustus) collected at different localities from mainland Australia, and evaluated geographical distance as a potential driver for genetic variation. The first and second internal transcribed spacers (ITS-1 and ITS-2=ITS) of nuclear ribosomal DNA were used to characterize individuals of 17 morphospecies of Cloacina that parasitize Macropus robustus and its sub-species. Results revealed intraspecific variation in ITS within some morphospecies of Cloacina. Phylogenetic analyses showed little correlation between host speciation patterns and geographical location for the majority of the nematode species, although it did suggest geographical distance was a driver for speciation within Cloacina communis, C. phaethon and C. parva. Our results suggest that nucleotide variation within Cloacina species is complex, and is likely to be propagated by factors such as geographical distance and host sub-species. Further studies determining factors involved in speciation, such as host-parasite relationships, are needed to improve our understanding of the diversity of populations of species of Cloacina.

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New species of Cloacina von Linstow, 1898 (Nematoda: Strongyloidea) parasitic in the stomachs of wallaroos, Osphranter spp. (Marsupialia: Macropodidae) from northern Australia

et al. 2018

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Three new species of the parasitic nematode genus Cloacina von Linstow, 1898 (Strongyloidea: Cloacininae) are described from the stomachs of wallaroos, Osphranter spp. (Marsupialia: Macropodidae), from northern Australia. Cloacina spearei n. sp. is described from O. robustus woodwardi (Thomas) and O. antilopinus (Gould) and is distinguished from congeners by the shape of the cephalic papillae, the shallow buccal capsule, the presence of an oesophageal denticle and the convoluted but non-recurrent vagina in the female. Cloacina longibursata n. sp. also from O. robustus woodwardi and O. antilopinus is distinguished from congeners by the elongate dorsal lobe of the bursa, with the origin of the lateral branchlets posterior to the principal bifurcation, in the features of the spicule tip, the lack of bosses lining the oesophagus and the absence of an oesophageal denticle. Cloacina crassicaudata n. sp., from the same two host species was formerly identified as C. cornuta (Davey & Wood, 1938). Differences in the cephalic cuticle (inflation lacking in the new species), the shape of the cephalic papillae, the dorsal oesophageal tooth and the spicule tips, as well as differences in the sequences of the internal transcribed spacers of the nuclear ribosomal DNA, indicate that this is an independent species. The geographical distribution of this species is disjunct with populations in both the Northern Territory and Queensland. Possible reasons for the disjunct distribution are discussed.

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New Species of Cloacina Von Linstow, 1898 (Nematoda: Strongylida) from the Swamp Wallaby, Wallabia Bicolor (Desmarest, 1804) (Marsupialia)

Cited by 7 publications

References 4 publications

Speciation in the genusCloacina(Nematoda: Strongylida): species flocks and intra-host speciation

Speciation in the genusCloacina(Nematoda: Strongylida): species flocks and intra-host speciation

Molecular characterization of species of Cloacina (Strongyloidea: Cloacininae) from the common wallaroo, Macropus robustus (Marsupialia: Macropodidae) in Australia

New species of Cloacina von Linstow, 1898 (Nematoda: Strongyloidea) parasitic in the stomachs of wallaroos, Osphranter spp. (Marsupialia: Macropodidae) from northern Australia

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