2010
DOI: 10.1016/j.ympev.2010.06.010
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A novel mitochondrial gene order in shorebirds (Scolopacidae, Charadriiformes)

Abstract: Although the mitochondrial genome in birds has highly conserved features, with protein genes similar to mammals and amphibians, several variations in gene order around the hypervariable control region have been found. Here we report a novel gene arrangement around the control region in shorebirds (Charadriiformes). In ruffs Philomachus pugnax, the mitochondrial genome between cytochrome b and 12SrRNA was over 1.5 kb longer than reported for other Charadriiformes and contained a duplication of the control regio… Show more

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Cited by 36 publications
(38 citation statements)
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“…The tandem replication slippage sequentially homogenized sequences between duplications [19], therefore this mechanism cannot account for the observation in most ardeid species, where the homogenized duplications were interrupted by a divergent section nesting in the middle of CR domain I. In contrast, such uneven homogenized pattern could be easily created and maintained by gene conversion, similar to the previous reports in albatrosses [7, 12], the black-faced spoonbill [11], the ruff [13], boobies [14] and Philippine hornbills [15]. In albatrosses, Abbott et al [7] proposed that the gene conversion could have multiple recombination points, whereby certain duplicated portions were regularly homogenized while intervening sections remained unaffected and therefore evolved independently.…”
Section: Discussionmentioning
confidence: 76%
See 1 more Smart Citation
“…The tandem replication slippage sequentially homogenized sequences between duplications [19], therefore this mechanism cannot account for the observation in most ardeid species, where the homogenized duplications were interrupted by a divergent section nesting in the middle of CR domain I. In contrast, such uneven homogenized pattern could be easily created and maintained by gene conversion, similar to the previous reports in albatrosses [7, 12], the black-faced spoonbill [11], the ruff [13], boobies [14] and Philippine hornbills [15]. In albatrosses, Abbott et al [7] proposed that the gene conversion could have multiple recombination points, whereby certain duplicated portions were regularly homogenized while intervening sections remained unaffected and therefore evolved independently.…”
Section: Discussionmentioning
confidence: 76%
“…Additionally, there is degeneration of the second CR in the remnant CR (2) gene order. Besides these four orders, Verkuil et al [13] identified a novel mt gene order in the ruff, which differs from the duplicate tRNA Thr –CR gene order in the degeneration of the second tRNA Thr .…”
Section: Introductionmentioning
confidence: 99%
“…Gene order in vertebrate mtDNA is thought to be quite conserved, especially in fishes (Clayton, 1992;Manchado et al, 2007). However, an increasing number of gene rearrangements in mtDNA have been identified in many taxa, including reptiles (Mueller and Boore, 2005;Okajima and Kumazawa, 2010), birds (Bensch and Harlid, 2000;Schirtzinger et al, 2012;Verkuil et al, 2010), amphibians (Macey et al, 1997;Sano et al, 2005), and fishes (Gong et al, 2013a;Inoue et al, 2003;Kong et al, 2009;Ki et al, 2008;Mabuchi et al, 2004;Ponce et al, 2008;Shi et al, 2013Shi et al, , 2014aShi et al, , 2015a.…”
Section: Introductionmentioning
confidence: 99%
“…Duplicate CRs have been detected in various birds, such as warblers (Sylvia atricapilla and Acrocephalus scirpaceus) (Singh et al, 2008), the blackfaced spoonbill (Platalea minor) (Cho et al, 2009), various seabird species (Sula leucogaster, Sula sula, and Sula nebouxii) (Morris-Pocock et al, 2010), and the parrot genus Amozona (Eberhard et al, 2001). In Charadriiformes, a duplicate CR with a high degree of similarity has been reported to exist in the mtDNA of a Scolopacidae species, the ruff Philomachus pugnax (Verkuil et al, 2010). In this study, however, the CR duplication was not found in all Charadriiformes, including the Laridae (Fig.…”
Section: Control Regionmentioning
confidence: 99%