This article documents the addition of 238 microsatellite marker loci to the Molecular Ecology Resources Database. Loci were developed for the following species: Alytes dickhilleni, Arapaima gigas, Austropotamobius italicus, Blumeria graminis f. sp. tritici, Cobitis lutheri, Dendroctonus ponderosae, Glossina morsitans morsitans, Haplophilus subterraneus, Kirengeshoma palmata, Lysimachia japonica, Macrolophus pygmaeus, Microtus cabrerae, Mytilus galloprovincialis, Pallisentis (Neosentis) celatus, Pulmonaria officinalis, Salminus franciscanus, Thais chocolata and Zootoca vivipara. These loci were cross-tested on the following species: Acanthina monodon, Alytes cisternasii, Alytes maurus, Alytes muletensis, Alytes obstetricans almogavarii, Alytes obstetricans boscai, Alytes obstetricans obstetricans, Alytes obstetricans pertinax, Cambarellus montezumae, Cambarellus zempoalensis, Chorus giganteus, Cobitis tetralineata, Glossina fuscipes fuscipes, Glossina pallidipes, Lysimachia japonica var. japonica, Lysimachia japonica var. minutissima, Orconectes virilis, Pacifastacus leniusculus, Procambarus clarkii, Salminus brasiliensis and Salminus hilarii.
View the peer-reviewed version (peerj.com/articles/582), which is the preferred citable publication unless you specifically need to cite this preprint.Alda F, Doadrio I. 2014. Spatial genetic structure across a hybrid zone between European rabbit subspecies. PeerJ 2:e582 https://doi.org/10.7717/peerj.582 S p a t i a l g e n e t i c s t r u c t u r e a c r o s s a h y b r i d z o n e b e t we e n E u r o p e a n r a b b i t s u b s p e c i e sT h e I b e r i a n P e n i n s u l a i s t h e o n l y r e g i o n i n t h e wo r l d wh e r e t h e t wo e x i s t i n g s u b s p e c i e s o f t h e E u r o p e a n r a b b i t ( Or y c t o l a g u s c u n i c u l u s ) n a t u r a l l y o c c u r a n d h y b r i d i z e . I n t h i s s t u d y we e x p l o r e t h e r e l a t i v e r o l e s o f h i s t o r i c a l a n d c o n t e mp o r a r y p r o c e s s e s i n s h a p i n g t h e s p a t i a l g e n e t i c s t r u c t u r e o f t h e r a b b i t a c r o s s i t s n a t i v e d i s t r i b u t i o n r a n g e , a n d h o w t h e y d i ff e r e n t l y a ff e c t e a c h s u b s p e c i e s a n d t h e h y b r i d z o n e . F o r t h a t p u r p o s e mu l t i l o c u s g e n o t y p e s a n d mi t o c h o n d r i a l DNA d a t a we r e o b t a i n e d f o r 7 7 1 r a b b i t s a c r o s s mo s t o f t h e s p e c i e s ' d i s t r i b u t i o n r a n g e i n S p a i n . Nu c l e a r ma r k e r s d e fi n e d a h i e r a r c h i c a l g e n e t i c s t r u c t u r e fi r s t l y c o mp r i s e d b y t wo g e n e t i c g r o u p s , l a r g e l y c o n g r u e n t wi t h t h e mi t o c h o n d r i a l l i n e a g e s a n d s u b s p e c i e s d i s t r i b u t i o n s ( O. c . a l g i r u s a n d O. c . c u n i c u l u s ) , wh i c h we r e s u b s e q u e n t l y s u b d i v i d e d i n t os e v e n g e n e t i c g r o u p s p r o b a b l y s h a p e d b y e n v i r o n me n t a l o r e c o l o g i c a l f a c t o r s . Ge o g r a p h i c d i s t a n c e a l o n e e me r g e d a s a n i mp o r t a n t f a c t o r e x p l a i n i n g g e n e t i c d i ff e r e n t i a t i o n a c r o s s t h e wh o l e r a n g e , wi t h o u t t h e n e e d t o i n v o k e f o r t h e e ff e c t f o r g e o g r a p h i c a l b a r r i e r s . T h u s , wh e n c o n s i d e r i n g t h e o v e r a l l g e n e t i c s t r u c t u r e , d i ff e r e n c e s a t a l o c a l l e v e l s e e m t o b e o f g r e a t e r i mp o r t a n c e . T h e s i g n i fi c a n t l y p o s i t i v e s p a t i a l c o r r e l a t i o n u p t o a d i s t a n c e o f o n l y 1 0 0 k m s u p p o r t e d t h i s h y p o t h e s i s . Ho we v e r , n o r t h e r n p o p u l a t i o n s o f O. c . c u n i c u l u s s h o we d mo r e s p a t i a l g e n e t i c s t r u c t u r e a n d d i ff e r e n t i a t i o n t h a n O. c . a l g i r u s , wh i c h c o u l d b e d u e t o l o c a l g e o g r a p h i c b a r r i e r s , l i mi t e d r e s o u r c e s , s o i l t y p e a n d / o r s o c i a l b e h a v i o u r s l i mi t i n g d i s p e r s a l .T h e h y b r...
The American crocodile ( Crocodylus acutus ) is a widely distributed species across coastal and brackish areas of the Neotropical region of the Americas and the Greater Antilles. Available information on patterns of genetic differentiation in C. acutus shows a complex structuring influenced by interspecific interactions (mainly hybridization) and anthropogenic actions (mostly historical hunting, recent poaching and unintentional translocation of individuals). Moreover, recent work suggests C. acutus as a complex of cryptic species with preliminary proposals for taxonomic reassignment. Until recently, most population genetics research has primarily focused on present hybrid zones with other new world crocodilians . In this study, we used data on mitochondrial DNA control region and 11 nuclear polymorphic microsatellite loci to assess the degree of population structure of C. acutus in South America, North America, Central America and the Greater Antilles. We used traditional genetic differentiation indices, Bayesian clustering and multivariate methods to create a more comprehensive picture of the genetic relationships within the species across its range. Analyses of mtDNA and microsatellite loci show evidence of strong population genetic structure in the American crocodile, with unique populations in each sampling locality. Our results support previous findings showing large degrees of genetic differentiation between the continental and the Greater Antillean C. acutus. We report three new haplotypes unique to Venezuela, which are considerably less distant from the Central and North American haplotypes than to the Greater Antillean ones. Our findings reveal genetic population differentiation between Cuban and Jamaican C. acutus and offer the first evidence of strong genetic differentiation among the populations of Greater Antillean C. acutus. The information generated here is crucial for local and regional planning and conservation of the species, and contributes to the ongoing discussion on potential taxonomic revision for C. acutus .
Background Ictalurus is one of the most representative groups of North American freshwater fishes. Although this group has a well-studied fossil record and has been the subject of several morphological and molecular phylogenetic studies, incomplete taxonomic sampling and insufficient taxonomic studies have produced a rather complex classification, along with intricate patterns of evolutionary history in the genus that are considered unresolved and remain under debate. Results Based on four loci and the most comprehensive taxonomic sampling analyzed to date, including currently recognized species, previously synonymized species, undescribed taxa, and poorly studied populations, this study produced a resolved phylogenetic framework that provided plausible species delimitation and an evolutionary time framework for the genus Ictalurus. Conclusions Our phylogenetic hypothesis revealed that Ictalurus comprises at least 13 evolutionary units, partially corroborating the current classification and identifying populations that emerge as putative undescribed taxa. The divergence times of the species indicate that the diversification of Ictalurus dates to the early Oligocene, confirming its status as one of the oldest genera within the family Ictaluridae.
Following publication of the original article [1], the authors notified us that that one of the authors' names was incorrectly spelled. In this Correction the incorrect and correct author name are shown. The original publication of this article has been corrected.
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