High intraspecific genetic divergence in the versatile fairy shrimp Branchinecta lindahli with a comment on cryptic species in the genus Branchinecta (Crustacea: Anostraca)

Aguilar, Andres; Maeda-Martínez, Alejandro M.; Murugan, Gopal; Obregón-Barboza, Hortencia; Rogers, D. Christopher; McClintock, Kelly; Krumm, Janice L.

doi:10.1007/s10750-017-3283-3

Cited by 17 publications

(15 citation statements)

References 49 publications

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“…Conservation of the full adaptive potential of a species should have priority over simple species conservation (Moritz, 1994;Ryder, 1986;Waples, 1995). Large branchiopods are known for high levels of cryptic genetic diversity among individuals that look morphologically similar (Aguilar et al, 2017;Pinceel et al, 2013aPinceel et al, ,2013bSchwentner et al, 2013). Such individuals could differ extensively in physiology and may represent distinct evolutionary significant units (ESUs) for conservation (Pinceel et al, 2013b).…”

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confidence: 99%

High genetic variation and phylogeographic relations among Palearctic fairy shrimp populations reflect persistence in multiple southern refugia during Pleistocene ice ages and postglacial colonisation

et al. 2019

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Intense anthropogenic disturbance threatens temporary pond ecosystems and their associated fauna across the Palearctic. Since fairy shrimps (Crustacea, Branchiopoda) are endemic to temporary ponds, populations are declining due to habitat loss and it is important to define adequate units for conservation. Phylogeographic reconstructions, based on genetic variation, provide valuable information for defining evolutionary and conservation units, especially for organisms with high levels of cryptic diversity like many fairy shrimps. We studied a total of 152 individuals of the fairy shrimp Branchipus schaefferi from 79 populations across the Palearctic and used mitochondrial (CO1) and nuclear (ITS1) DNA data to reconstruct the phylogeography of the species. Our results show that B. schaefferi comprises four highly diverged (10.3–16.5%) evolutionary clades. The present‐day haplotypes within each of the clades probably diverged from lineages that were maintained in separate refugia during the Pleistocene ice ages. While two clades represent distinct geographic regions, the two remaining clades have more wide and overlapping ranges. In addition, the limited number of shared haplotypes among populations from geographically distant regions within three of the clades suggest recent long‐distance dispersal events. Overall, the studied B. schaefferi dataset comprises high levels of genetic differentiation, without a clear morphological signal. Phylogenetic searches and pairwise genetic distances suggest that the studied lineages belong to a complex of four morphologically cryptic species. Since these four evolutionary old clades persist (±2 million years), despite overlapping geographic ranges and since they span a variety of ecological conditions, they should be considered as separate evolutionary significant units for conservation.

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High genetic variation and phylogeographic relations among Palearctic fairy shrimp populations reflect persistence in multiple southern refugia during Pleistocene ice ages and postglacial colonisation

et al. 2019

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“…As regards anostracans, dispersal is more clearly understood regarding mechanisms (reviewed in Rogers, 2014), although dispersal patterns are more stochastic (Daniels, et al, 2004;Rogers, 2015). In this volume, Rodríguez-Flores et al (2017) show the identity of Spanish and Hungarian Branchinecta orientalis (G. O. Sars, 1901) populations, which is likely to be ascribed to the recent colonization of the Iberian Peninsula by long-range-dispersed B. orientalis propagules originating from central Europe; Kappas et al (2017), by investigating the phylogeography of Streptocephalus torvicornis across its circumMediterranean and Eurasian distribution, found patterns of extensive genetic and morphological homogeneity pointing to unhindered gene flow and widespread connectivity among populations; Aguilar et al (2017) observed quite a high degree of haplotype endemism in Branchinecta lindhali Packard, 1883 coupled with little geographic structure for the shared haplotypes, which they attribute to the stochastic nature of dispersal and colonization for this species.…”

Section: Ecology Biogeography and Conservationmentioning

confidence: 94%

“…in Gandolfi et al, 2015; Branchinecta ferox (Milne-Edwards, 1840) in Rodríguez-Flores et al, 2017, but see also Aguilar et al, 2017 for a plea for caution when attributing species rank to divergent clades) to a pronounced morphological diversity not paralleled by an analogous molecular diversification (which is suggestive of phenomena of morphological plasticity, e.g., Zofkova & Timms, 2009).…”

Section: Systematics and Phylogenymentioning

confidence: 99%

“…The widespread presence of heteroplasmy, pseudogenes and saturation phenomena might, in fact, prevent a sound picture of the phylogeny of the studied taxa (Gandolfi et al, 2015;Lindholm et al, 2016) or might prevent the use of some markers for investigating the molecular diversity patterns (Kappas et al, 2017). It should be remembered that, as pointed out by Fontaneto et al (2015), Aguilar et al (2017) and Rodríguez-Flores et al (2017), DNA taxonomy just provides ''primary species hypotheses'', which should desirably be complemented by other evidence based on morphology, distribution, and ecology in order to be validated.…”

Section: Systematics and Phylogenymentioning

confidence: 99%

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New challenges in anostracan research: old issues, new perspectives and hot topics

et al. 2017

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We present a summary of responses to our call among scientists working on Anostraca to commemorate the late Professor Graziella Mura, a pioneer of modern studies on this group of animals. Colleagues from all over the world promptly answered and contributed their works among which we selected the fourteen papers published in the Hydrobiologia Special Volume ''New Challenges in anostracan research: a tribute to Graziella Mura''. Although Anostraca are widespread globally, they are among the least known taxonomic groups. Although some biogeographical data are available for some species and higher taxa, we are still far from a clear understanding of the phylogeny, ecology and biogeography of the order. The papers collected in this Special Volume are therefore intended to represent a step ahead to solve phylogenetic and ecological issues relative to this charming group of crustaceans.

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“…Moreover, genetic distances among individuals within species are highly variable depending on the animal groups. For example, intraspecific genetic distance within insects reached 21.1% (Lin et al 2015), while Aguilar et al (2017) reported that the highest genetic distance in Bracnchinecta lindahli (Crustacea: Anostraca) was 7.4%. Moreover, da Silva et al (2011), Havermans et al (2011), and Bilgin et al (2015) also reported high variability in intraspecific genetic distance among crustacean species.…”

Section: Genetic Distancesmentioning

confidence: 99%

Molecular characteristics and taxonomic status of morphologically similar barnacles (Amphibalanus) assessed using the cytochrome c oxidase 1 gene

2021

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Abstract. Riani S, Prabowo RE, Nuryanto A. 2021. Molecular characteristics and taxonomic status of morphologically similar barnacles (Amphibalanus) assessed using the cytochrome c oxidase 1 gene. Biodiversitas 22: 1456-1466. Amphibalanus variegatus and A. reticulatus have similar external morphology. Morphological similarities can be a severe problem for direct species-level identification. The problem can be overcome through anatomy-based identification and validated through molecular barcoding. Molecular characterization using the cytochrome c oxidase 1 (COI) gene provides a useful tool for precise species identification. This study attempted to assess the molecular characteristics of morphologically similar barnacle (Amphibalanus) specimens collected at five localities in Indonesia to validate their taxonomic status. Forty-five barnacle specimens were collected during the field trips in Lampung, Jakarta, Semarang, Bali, and Lombok. The COI gene was amplified using LCO1490 and HCO2198 primers. The gene was sequenced using bidirectional sequencing at 1st base Asia. The specimens' taxonomic status was determined based on sequence identity, genetic distance, monophyly, nucleotide compositions, and nucleotides in a particular position. Shell shapes-based identification placed barnacle specimens into A. reticulatus. However, anatomical-based identification placed barnacle samples into two different anatomic groups, which was further validated by molecular data that two anatomic groups of Amphibalanus samples have significant differences in their COI gene. Based on the molecular characteristics, 43 samples were identified as A. reticulatus, while the two remaining samples were identified as A. variegatus.

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High intraspecific genetic divergence in the versatile fairy shrimp Branchinecta lindahli with a comment on cryptic species in the genus Branchinecta (Crustacea: Anostraca)

Cited by 17 publications

References 49 publications

High genetic variation and phylogeographic relations among Palearctic fairy shrimp populations reflect persistence in multiple southern refugia during Pleistocene ice ages and postglacial colonisation

High genetic variation and phylogeographic relations among Palearctic fairy shrimp populations reflect persistence in multiple southern refugia during Pleistocene ice ages and postglacial colonisation

New challenges in anostracan research: old issues, new perspectives and hot topics

Molecular characteristics and taxonomic status of morphologically similar barnacles (Amphibalanus) assessed using the cytochrome c oxidase 1 gene

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