The taxonomic position of Asian Holopedium (Crustacea: Cladocera) confirmed by morphological and genetic analyses

Yamamoto, Ayaka; Makino, Wataru; Urabe, Jotaro

doi:10.1007/s10201-019-00585-z

Cited by 8 publications

(3 citation statements)

References 46 publications

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“…Most DNA barcoding studies of tropical aquatic ecosystems have focused on fishes, and frequently report high levels of cryptic and overlooked diversity. These findings include freshwaters of South America [65,[73][74][75][76][77][78], Asia [79][80][81][82][83][84][85][86][87][88][89][90][91][92], and to some extent Africa [93][94][95]. Similar trends have been observed for tropical marine fishes, particularly in the Indo-Pacific Ocean [96][97][98][99][100][101][102][103][104].…”

Section: Species Discoverymentioning

confidence: 54%

Aquatic Organisms Research with DNA Barcodes

et al. 2021

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Since their inception, DNA barcodes have become a powerful tool for understanding the biodiversity and biology of aquatic species, with multiple applications in diverse fields such as food security, fisheries, environmental DNA, conservation, and exotic species detection. Nevertheless, most aquatic ecosystems, from marine to freshwater, are understudied, with many species disappearing due to environmental stress, mostly caused by human activities. Here we highlight the progress that has been made in studying aquatic organisms with DNA barcodes, and encourage its further development in assisting sustainable use of aquatic resources and conservation.

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Section: Species Discoverymentioning

confidence: 54%

Aquatic Organisms Research with DNA Barcodes

et al. 2021

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“…In Brazil, only two studies with COI sequences of the Cladocera species belonging to the Chydoridae family had the life cycle study carried out simultaneously with that of molecular biology, those of Flavalona margipluma (Silva et al, 2014) and Oxyurella longicaudis (Castilho et al, 2015). Studies based on this gene contribute to taxonomic identification, generating informative data for the study of the phylogeny of species (Adamowicz et al, 2004;Elías-Gutiérrez et al, 2018;Yamamoto et al, 2020). They can still assist in identifying inva-dados.…”

Section: Introductionmentioning

confidence: 99%

Life cycle traits, secondary production and DNA barcode of Oxyurella ciliata Bergamin, 1939 (Crustacea, Branchiopoda, Anomopoda, Chydoridae)

Silva¹,

Moreira²,

Silva³

et al. 2024

Limnetica

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This study the life cycle and quantify the secondary production of the cladoceran Oxyurella ciliata under controlled conditions in a laboratory and use molecular biology as a tool to investigate its genetic characteristics. The organisms were collected from Baia do Gerente, a pond from the Pantanal region, MS state, Brazil. They were acclimatized, maintained at a controlled temperature (25 ± 1 °C) and photoperiod (12/12h light-dark), fed with the microalgae Raphidocelis subcapitata and observed daily to obtain the data. O. ciliata had a high total egg production of 34.18 ± 9.68 eggs/female and an average longevity of 58.50 ± 16.30 days. These values differed from those previously reported for O. longicaudis, another congeneric species. There was an exponential growth of biomass until instar 6 and the largest secondary production was from the young to the adult phase, which corresponds to the beginning of the reproductive phase. The molecular data revealed that the genetic divergence between the sequence of O. ciliata and that of O. longicaudis is approximately 18 %, which seems high considering that both belong to the same genus. Comparing life cycle data and DNA Barcode, Oxyurella ciliata and O. longicaudis are very distant and have distinct morphological and biological characteristics, such as: body size, egg size, growth, fertility, longevity and development times. This study highlights the importance of molecular studies and information on the life cycle of neotropical cladocerans, in an integrated way, to have a better taxonomic and ecological interpretation of the species.

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“…These data were re-enforced by phylogenetic and phylogeographic studies of several cladoceran species groups [45][46][47][48][49][50][51][52]. A few important conclusions were made, first of all, concerning the timing of the species dispersion.…”

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confidence: 99%

The Role of Old Relicts in Structuring the Boreal/Tropical Transitional Zone: The Case of East Asian Planktonic Cladocera (Crustacea)

Krolenko,

Garibian,

Kotov

2023

Diversity

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Previous studies provided evidence of the mixing of boreal–tropical cladocerans (Crustacea) in the Far East of Eurasia, as well as the presence of numerous pre-Pleistocene relict endemics. In this study, we hypothesize that the colonization history is reflected in the proportions of endemic/boreal/tropical taxa among different habitat types within this region. We analyzed 442 qualitative samples collected from seven sub-regions of the Far East of Russia and South Korea along a latitudinal transect of approximately 2200 km, where we identified 101 Cladocera species. Our results showed a significantly higher proportion of endemic taxa in the plankton compared to the littoral and benthic zones. The proportions of endemic/boreal/tropical taxa in the permanent and temporary waters were similar. We observed a distinct shift in dominance across our transect: boreal taxa were prevalent in the northern sub-regions (1–4), while tropical taxa were prevalent in the southern sub-regions (5–7), with a pronounced boreal–tropical transition zone (sub-regions 4–5). Our findings suggest that this pattern arose due to the unhindered dispersion of the two faunas in a latitudinal direction until they met at the boundary during their arrival in the Late Pleistocene. In contrast, the proportions of the boreal and tropical taxa did not exceed 16% in any of the studied sub-regions, and the proportion of boreal taxa decreased from 16% to 10%, while that of the tropical taxa increased from 0% to 10% from north to south. We propose that the lower proportions and the absence of mixing of fauna in the plankton can be explained by the strong presence (sometimes dominance) of relics that occupy these water bodies before the arrival of colonizers from the north and south. Our findings highlight the significant role of biotic interactions in the formation of biogeographic boundaries, which was previously underestimated.

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The taxonomic position of Asian Holopedium (Crustacea: Cladocera) confirmed by morphological and genetic analyses

Cited by 8 publications

References 46 publications

Aquatic Organisms Research with DNA Barcodes

Aquatic Organisms Research with DNA Barcodes

Life cycle traits, secondary production and DNA barcode of Oxyurella ciliata Bergamin, 1939 (Crustacea, Branchiopoda, Anomopoda, Chydoridae)

The Role of Old Relicts in Structuring the Boreal/Tropical Transitional Zone: The Case of East Asian Planktonic Cladocera (Crustacea)

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