| Records |
Author  |
Yves Cherel |
| Title |
?Mastigoteuthis B Clarke, 1980, is a junior synonym of Asperoteuthis acanthoderma (Lu, 1977) (Cephalopoda, Oegopsida, Chiroteuthidae), a rare cosmopolitan deep-sea squid |
Type |
Journal |
| Year |
2021 |
Publication |
Marine Biodiversity |
Abbreviated Journal |
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| Volume |
51 |
Issue |
1 |
Pages |
14 |
| Keywords |
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| Abstract |
The present work resolved the long-standing taxonomic problem associated with the enigmatic ?Mastigoteuthis B Clarke, 1980, by demonstrating that these lower beaks correspond to those of the large deep-sea chiroteuthid Asperoteuthis acanthoderma (Lu, 1977). A review of the existing literature listed 22 specimens of A. acanthoderma, but synonymizing ?Mastigoteuthis B with A. acanthoderma increased 14 times the species record worldwide. Pooling the data from both specimens and beaks (a total of 329 individuals) indicates that the species has a circumglobal distribution, since it occurs in tropical and subtropical waters of the Atlantic, Indian and Pacific Oceans. The synonymization also highlights trophic relationships of the species as a prey of top marine predators. Lower beaks of A. acanthoderma were mostly found in stomachs of sperm whales, but a few beaks were also recorded from stomach contents of sharks, swordfish and the wandering albatross. |
| Programme |
109 |
| Campaign |
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| Address |
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| ISSN |
1867-1624 |
ISBN |
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| Notes |
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Approved |
yes |
| Call Number |
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Serial |
8208 |
| Permanent link to this record |
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| Author |
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| Title |
Evolutionary Genetics of Borrelia |
Type |
Journal |
| Year |
2021 |
Publication |
Current issues in molecular biology |
Abbreviated Journal |
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| Volume |
42 |
Issue |
|
Pages |
97-112 |
| Keywords |
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| Abstract |
The genus Borrelia consists of evolutionarily and genetically diverse bacterial species that cause a variety of diseases in humans and domestic animals. These vector-borne spirochetes can be classified into two major evolutionary groups, the Lyme borreliosis clade and the relapsing fever clade, both of which have complex transmission cycles during which they interact with multiple host species and arthropod vectors. Molecular, ecological, and evolutionary studies have each provided significant contributions towards our understanding of the natural history, biology and evolutionary genetics of Borrelia species; however, integration of these studies is required to identify the evolutionary causes and consequences of the genetic variation within and among Borrelia species. For example, molecular and genetic studies have identified the adaptations that maximize fitness components throughout the Borrelia lifecycle and enhance transmission efficacy but provide limited insights into the evolutionary pressures that have produced them. Ecological studies can identify interactions between Borrelia species and the vertebrate hosts and arthropod vectors they encounter and the resulting impact on the geographic distribution and abundance of spirochetes but not the genetic or molecular basis underlying these interactions. In this review we discuss recent findings on the evolutionary genetics from both of the evolutionarily distinct clades of Borrelia species. We focus on connecting molecular interactions to the ecological processes that have driven the evolution and diversification of Borrelia species in order to understand the current distribution of genetic and molecular variation within and between Borrelia species. |
| Programme |
333 |
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Edition |
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| ISSN |
1467-3037 |
ISBN |
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Medium |
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Expedition |
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Conference |
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| Notes |
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Approved |
yes |
| Call Number |
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Serial |
8521 |
| Permanent link to this record |
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| Author |
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| Title |
Is the southern crab Halicarcinus planatus (Fabricius, 1775) the next invader of Antarctica? |
Type |
Journal |
| Year |
2021 |
Publication |
Global Change Biology |
Abbreviated Journal |
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| Volume |
27 |
Issue |
15 |
Pages |
3487-3504 |
| Keywords |
climate change establishment niche modelling non-native species reptant crab Southern Ocean survival thermotolerance |
| Abstract |
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| Programme |
1044 |
| Campaign |
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Edition |
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| ISSN |
1365-2486 |
ISBN |
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Medium |
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Expedition |
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| Notes |
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Approved |
yes |
| Call Number |
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Serial |
8005 |
| Permanent link to this record |
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| Author |
Zhuang Jiang, Becky Alexander, Joel Savarino, Joseph Erbland, Lei Geng |
| Title |
Impacts of the photo-driven post-depositional processing on snow nitrate and its isotopes at Summit, Greenland: a model-based study |
Type |
Journal |
| Year |
2021 |
Publication |
The Cryosphere |
Abbreviated Journal |
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| Volume |
15 |
Issue |
9 |
Pages |
4207-4220 |
| Keywords |
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| Abstract |
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| Programme |
1177 |
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Edition |
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| ISSN |
1994-0416 |
ISBN |
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Medium |
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| Area |
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Expedition |
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Conference |
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| Notes |
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Approved |
yes |
| Call Number |
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Serial |
8375 |
| Permanent link to this record |
