Low mitochondrial DNA variation in the endangered bumble bee<i>Bombus cryptarum florilegus</i>

Takeuchi, Tsuyoshi; Sasaki, Takuma; Mitsuhata, Masahiro; Kiyoshi, Takuya; Nishimoto, Mana; Nomura, Tetsuro; Takahashi, Junichi

doi:10.1080/00218839.2019.1614735

Cited by 6 publications

(4 citation statements)

References 30 publications

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“…This conclusion of ours is supported by results on different European populations of B. terrestris (Linnaeus 1758) and B. pascuorum (Scopoli 1763) that resulted in only four and five haplotypes, respectively (Estoup et al 1996;Pirounakis et al 1998). Takeuchi et al (2019) also reported low genetic variation amongst populations of the endangered species B. cryptarum florilegus (Panfilov 1956) in Japan (only one haplotype in each of the three populations studied). On the other hand, six haplotypes were found in an analysis of 13 sequences of Arctic bumblebee B. hyperboreus natvigi in all its distributional territories, namely three haplotypes in six sequences examined from Greenland (Potapov et al 2019).…”

Section: Relationships To Other B Polaris Populationsmentioning

confidence: 86%

Molecular characteristics of Bombus (Alpinobombus) polaris from North Greenland with comments on its general biology and phylogeography

et al. 2021

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The bumble bee Bombus polaris (Curtis 1835) is known from the northernmost region of Greenland. But how it can survive there, where in terms of geographic origin it came from, and which species in addition to B. pyrrhopygus (Friese 1902) genetically it is most closely related to are insufficiently answered questions that have motivated us to carry out this study. On the basis of a molecular analysis of the cytochrome oxidase I gene of a B. (Alpinobombus) polaris from North Greenland (82° 48′ N; 42° 14′ W), we conclude that the female specimen we analysed was most closely related to the Canadian populations of B. polaris. Geographic proximity, occurrence of B. polaris on Ellesmere Island and wind direction are likely factors that have aided B. polaris to establish itself in northern and eastern Greenland. The presence of five haplotypes in the studied sequences from Greenland indicates a moderately high level of genetic diversity of B. polaris in Greenland, reflecting the successful adaptation of B. polaris populations. In the broader context of entomological life in the high Arctic, our results on B. polaris allow us to conclude that the survival of pollinating species in the high Arctic under the changing climate scenario depends not only on the weather but also on an individual’s opportunity to continue to locate suitable food sources, i.e. pollen and nectar in the case of B. polaris. This aspect, briefly touched upon in this study, is of relevance not just to B. polaris, but the Arctic entomofauna generally.

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Section: Relationships To Other B Polaris Populationsmentioning

confidence: 86%

Molecular characteristics of Bombus (Alpinobombus) polaris from North Greenland with comments on its general biology and phylogeography

et al. 2021

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“…The decline of native bumblebee populations in Japan, particularly those of B. h. sapporensis and B. c. florilegus , has been increasing due to the rapid naturalization of B. terrestris , resulting in habitat degradation and the fragmentation of B. c. florilegus populations 15 . Indeed, a recent study highlighted the fragmented population and reduced genetic diversity of B. c. florilegus in the Nemuro and Notsuke Peninsulas 14 . These findings, along with our results, underscore the need for immediate conservation measures to protect native bumblebees in the Nemuro Peninsula.…”

Section: Discussionmentioning

confidence: 99%

“…The Nemuro Peninsula, located in eastern Hokkaido, represents a valuable habitat for native bumblebees, with 10 out of 15 Japanese species, including the rare bumblebee species, B. cryptarum florilegus , thriving in this region 14 . Indeed, B. c. florilegus exhibits a restricted distribution, occurring only in the Nemuro and Notsuke Peninsulas in Japan, and is listed as a near-threatened species in the Japan Red List 14 . Given that B. terrestris has naturalized in this region, the populations of B. h. sapporensis and B. c. florilegus have been steadily declining 15 .…”

Section: Introductionmentioning

confidence: 99%

Cross-mating between the alien bumblebee Bombus terrestris and two native Japanese bumblebees, B. hypocrita sapporensis and B. cryptarum florilegus, in the Nemuro Peninsula, Japan

Kubo,

Asanuma,

Fujimoto

et al. 2023

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The rapid naturalization of Bombus terrestris across the Nemuro Peninsula has led to a decline in two closely related native Japanese species, namely Bombus hypocrita sapporensis and Bombus cryptarum florilegus, both belonging to the common subgenus Bombus. Although it is widely believed that cross-mating of native and non-native species is influenced by the common male sex pheromone in this region, no study has been conducted to substantiate this claim. Thus, we investigated the cross-activities of male sex pheromones between native and non-native bumblebees, as well as the frequencies of cross-mating, using chemical and DNA assays. Our gas chromatography–electroantennographic detector analyses and behavioral tests revealed the presence of sex pheromonal cross-activities between B. terrestris and the two Japanese bumblebees species. Furthermore, DNA analyses revealed the occurrence of cross-mating between native and non-native species in the Nemuro Peninsula. Overall, these results indicate the immediate need for conservation measures to safeguard Japanese bumblebee populations in the Nemuro Peninsula.

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“…Sendo assim, o DNA mitocondrial é mais facilmente recuperado e amplificado das amostras antigas do que o DNA nuclear. Portanto, alguns trabalhos utilizam apenas o DNA mitocondrial para análises de genética de populações (Anderson et al 2008;Takeuchi et al 2019).…”

Section: Desafios E Limitações De Análises Genéticas Com Amostras De ...unclassified

Estruturação e diversidade genética de Bombus dahlbomii (Hymenoptera: Apidae): dados históricos e contemporâneos

Prado¹

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Capa: Bombus dahlbomii visitando flor de Lapageria rosea. Ilustração realizada pelo Núcleo de Ilustração Científica (NIC) do Instituto de Biociências da USP. AgradecimentosÀ minha orientadora Cris, por ter me orientado no mestrado, por todo apoio, pelos ensinamentos e pela paciência.Aos meus colegas do LGEA, em especial o Paulo, a Priscila, a Susy e a Larissa por todas as discussões, pela ajuda no laboratório e pela companhia.À minha família, por sempre acreditarem em mim e pelo apoio financeiro e emocional.À minha namorada Maria, pelos incentivos, por sempre me ouvir, por todo amor e por toda ajuda nessa etapa da minha vida.Ao professor Hugo da Universidad Católica del Maule pela parceria com nosso laboratório e ajuda no fornecimento do material biológico.À Capes e ao CNPq pela bolsa de mestrado e à FAPESP pela bolsa TT3 (processo 2020/12408-8) e financiamento do projeto (processo: 2019/18106-6).

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Low mitochondrial DNA variation in the endangered bumble beeBombus cryptarum florilegus

Cited by 6 publications

References 30 publications

Molecular characteristics of Bombus (Alpinobombus) polaris from North Greenland with comments on its general biology and phylogeography

Molecular characteristics of Bombus (Alpinobombus) polaris from North Greenland with comments on its general biology and phylogeography

Cross-mating between the alien bumblebee Bombus terrestris and two native Japanese bumblebees, B. hypocrita sapporensis and B. cryptarum florilegus, in the Nemuro Peninsula, Japan

Estruturação e diversidade genética de Bombus dahlbomii (Hymenoptera: Apidae): dados históricos e contemporâneos

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