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  • Articles  (406)
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  • CLIR Recordings at Risk Grant  (277)
  • Evolution  (129)
  • 2020-2024  (406)
  • 1
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    A new species of Dugesia (Platyhelminthes, Tricladida, Dugesiidae) from China, with an account on the histochemical structure of its major nervous system (2020)
    Pensoft Publishers
    In:  Zoosystematics and Evolution vol. 96 no. 2, pp. 431-447
    Details
    Publication Date: 2024-01-12
    Description: By means of an integrated approach, including molecular, morphological, anatomical and histological data, we describe a new species of freshwater flatworm of the genus Dugesia from southwest China, representing the third species recorded for the country. Morphologically, the new species, Dugesia umbonata Song & Wang, sp. nov., is particularly characterised by the presence of a muscularised hump immediately antero-dorsally to a knee-shaped bend in its bursal canal and by an ejaculatory duct that opens subterminally through the dorsal side of the penis papilla. Four molecular datasets (18S rDNA; ITS-1; 28S rDNA; COI) facilitated determination of the phylogenetic position of the new species, which belongs to a clade comprising other species from the Australasian and Oriental regions. We also analysed the structure of its major nervous system by means of the acetylcholinesterase (AChE) histochemical method and compared these results with data available for three other species of Dugesia.
    Keywords: Ecology ; Evolution ; Behavior and Systematics ; Molecular phylogeny ; Taxonomy ; Histochemistry ; Acetylcholinesterase (AChE)
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 2
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    A catalogue of the Coleoptera of the Dutch Antilles (2020)
    Brill
    In:  Tijdschrift voor Entomologie vol. 162 no. 2-3, pp. 67-186
    Details
    Publication Date: 2024-01-12
    Description: This paper presents a first critical review of the beetle species (Insecta: Coleoptera) reported from the (former) Dutch Antilles as well as a history of beetle collecting and collectors on the islands. The introductory section provides a concise overview of the location, climate, geology and vegetation of the six islands. The catalogue is concluded with miscellaneous additions, corrections and annotations to the published records of the other islands of the northern Leeward Islands, and a comprehensive bibliography. (ZooBank registration: http://zoobank.org/ \nE2D76464-5AAE-4D75-9AC5-CA119E65D72A)
    Keywords: Ecology ; Evolution ; Behavior and Systematics ; Insect Science
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 3
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    Integrative taxonomy of araneomorph spiders: Breathing new life into an old science (2021)
    Details
    Publication Date: 2024-01-12
    Description: Taxonomy as a science has accumulated data and knowledge for more than 250 years. The quality and usefulness of the facts recorded in taxonomic literature has greatly improved from the early descriptive texts to the modern data-rich, hypothesis-driven works. Our work illustrates the application of some of the \xe2\x80\x9ce-taxonomic\xe2\x80\x9d tools and the \xe2\x80\x9cNew Taxonomy\xe2\x80\x9d thinking explored in the introduction. Here, we analyzed specimen data contained in legacy taxonomic literature in Chapters 2 and 3\xe2\x80\x94to observe species distribution of one spider group and genital evolution, respectively\xe2\x80\x94and also explored an integrative perspective that involves describing new taxa and testing phylogenetic hypotheses using molecular and morphological data, as done in Chapter 4 and 5.
    Keywords: Spiders ; Taxonomy ; Biodiversity ; Species ; Phylogeny ; DNAMolecules ; Selection ; Genitalia ; Evolution
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/doctoralThesis
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  • 4
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    Numerous new records of tropical non-indigenous species in the Eastern Mediterranean highlight the challenges of their recognition and identification (2021)
    Pensoft Publishers
    In:  ZooKeys vol. 1010, pp. 1-95
    Details
    Publication Date: 2024-01-12
    Description: New data on 52 non-indigenous mollusks in the Eastern Mediterranean Sea is reported. Fossarus sp. (aff. aptus sensu Blatterer 2019), Coriophora lessepsiana Albano, Bakker & Sabelli, sp. nov., Cerithiopsis sp. aff. pulvis, Joculator problematicus Albano & Steger, sp. nov., Cerithiopsis sp., Elachisina sp., Iravadia aff. elongata, Vitrinella aff. Vitrinella sp. 1 (sensu Blatterer 2019), Melanella orientalis, Parvioris aff. dilecta, Odostomia cf. dalli, Oscilla virginiae, Parthenina cossmanni, Parthenina typica, Pyrgulina craticulata, Turbonilla funiculata, Cylichna collyra, Musculus coenobitus, Musculus aff. viridulus, Chavania erythraea, Scintilla cf. violescens, Iacra seychellarum and Corbula erythraeensis are new records for the Mediterranean. An unidentified gastropod, Skeneidae indet., Triphora sp., Hypermastus sp., Sticteulima sp., Vitreolina cf. philippi, Odostomia (s.l.) sp. 1, Henrya (?) sp., and Semelidae sp. are further potential new non-indigenous species although their status should be confirmed upon final taxonomic assessment. Additionally, the status of Dikoleps micalii, Hemiliostraca clandestina comb. nov. and H. athenamariae comb. nov. is changed to non-indigenous, range extensions for nine species and the occurrence of living individuals for species previously recorded from empty shells only are reported. Opimaphora blattereri Albano, Bakker & Sabelli, sp. nov. is described from the Red Sea for comparison with the morphologically similar C. lessepsiana Albano, Bakker & Sabelli, sp. nov. The taxonomic part is followed by a discussion on how intensive fieldwork and cooperation among institutions and individuals enabled such a massive report, and how the poor taxonomic knowledge of the Indo-Pacific fauna hampers non-indigenous species detection and identification. Finally, the hypothesis that the simultaneous analysis of quantitative benthic death assemblages can support the assignment of non-indigenous status to taxonomically undetermined species is discussed.
    Keywords: Animal Science and Zoology ; Ecology ; Evolution ; Behavior and Systematics ; Cerithiopsidae ; invasion biology ; Lessepsian invasion ; Mollusca ; new species ; Red Sea ; taxonomy ; Triphoridae
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 5
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    Characterization of a virally encoded flavodoxin that can drive bacterial cytochrome P450 monooxygenase activity (2023)
    MDPI
    Details
    Publication Date: 2023-02-25
    Description: © The Author(s), 2022. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Lamb, D. C., Goldstone, J. V., Zhao, B., Lei, L., Mullins, J. G. L., Allen, M. J., Kelly, S. L., & Stegeman, J. J. Characterization of a virally encoded flavodoxin that can drive bacterial cytochrome P450 monooxygenase activity. Biomolecules, 12(8), (2022): 1107, https://doi.org/10.3390/biom12081107.
    Description: Flavodoxins are small electron transport proteins that are involved in a myriad of photosynthetic and non-photosynthetic metabolic pathways in Bacteria (including cyanobacteria), Archaea and some algae. The sequenced genome of 0305φ8-36, a large bacteriophage that infects the soil bacterium Bacillus thuringiensis, was predicted to encode a putative flavodoxin redox protein. Here we confirm that 0305φ8-36 phage encodes a FMN-containing flavodoxin polypeptide and we report the expression, purification and enzymatic characterization of the recombinant protein. Purified 0305φ8-36 flavodoxin has near-identical spectral properties to control, purified Escherichia coli flavodoxin. Using in vitro assays we show that 0305φ8-36 flavodoxin can be reconstituted with E. coli flavodoxin reductase and support regio- and stereospecific cytochrome P450 CYP170A1 allyl-oxidation of epi-isozizaene to the sesquiterpene antibiotic product albaflavenone, found in the soil bacterium Streptomyces coelicolor. In vivo, 0305φ8-36 flavodoxin is predicted to mediate the 2-electron reduction of the β subunit of phage-encoded ribonucleotide reductase to catalyse the conversion of ribonucleotides to deoxyribonucleotides during viral replication. Our results demonstrate that this phage flavodoxin has the potential to manipulate and drive bacterial P450 cellular metabolism, which may affect both the host biological fitness and the communal microbiome. Such a scenario may also be applicable in other viral-host symbiotic/parasitic relationships.
    Description: The study was supported by the National Institutes of Health grant 5U41HG003345 (J.V.G.), by the Woods Hole Center for Oceans and Human Health, NIH P01 ES021923 and NSF OCE-1314642 (J.J.S.), and by a Fulbright Scholarship (to D.C.L.). Funding at Swansea University supported by the European Regional Development Fund/Welsh European Funding Office via the BEACON project (S.L.K).
    Keywords: Flavodoxin ; Virus/phage ; Cytochrome P450 ; Evolution ; Bacteria
    Repository Name: Woods Hole Open Access Server
    Type: Article
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  • 6
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    General scenes - building Alvin, putting in aft prop, working on panels (2022)
    Details
    Publication Date: 2023-02-22
    Description: General scenes - building Alvin, putting in aft prop, working on panels
    Description: The runtime for this video is 25m 10.
    Description: The items in this collection are embargoed in the system in keeping with copyright requirements. However, they are available to users upon request. Please contact the MBLWHOI Library to access the items at whoas@whoi.edu.
    Description: Digitization of this material was supported by a Recordings at Risk grant from the Council on Library and Information Resources (CLIR). The grant program is made possible by funding from The Andrew W. Mellon Foundation. CLIR is an independent, nonprofit organization that forges strategies to enhance research, teaching, and learning environments in collaboration with libraries, cultural institutions, and communities of higher learning. To learn more, visit www.clir.org and follow CLIR on Facebook and Twitter.
    Description: 2200-01-01
    Keywords: CLIR Recordings at Risk Grant ; Alvin (Submarine)
    Repository Name: Woods Hole Open Access Server
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  • 7
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    Disentangling a complex genus: systematics, biogeography and bioactivity of the genus Phyllanthus L. and related genera of tribe Phyllantheae (Phyllanthaceae) (2022)
    Details
    Publication Date: 2024-01-12
    Description: The largest genus within the Phyllanthaceae family is a group called Phyllanthus L. Recent studies have shown, that Phyllanthus is paraphyletic with the genera Glochidion, Breynia and Synostemon nested within it. In this thesis, I study the evolution and systematics of Phyllanthus and how to solve the apparent paraphyly. First we explore past morphological subgroups to come to a subdivision, which was tested using molecular phylogenetics. Several species of Phyllanthus are also used in traditional medicine and by utilizing the living collections of the Hortus botanicus Leiden, we tested for antibacterial and antifungal bioactivity. The phylogeny resulting from this study is used to study the historical biogeography and diversification of the tribe and to propose a new classification where Phyllanthus is separated into several smaller genera.
    Keywords: Taxonomy ; Systematics ; Botany ; Evolution ; Biogeography ; Phyllanthus ; Phyllanthaceae
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/doctoralThesis
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  • 8
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    The Shell evolution of the hydrocenidae of Malaysian Borneo (2021)
    Details
    Publication Date: 2024-01-12
    Description: Mollusca form an important animal phylum that first appeared in the Cambrian, and today is, after Arthropoda, the second largest animal phylum, with more than 100,000 extant species (Bieler, 1992, Brusca and Brusca, 2003), with the class Gastropoda accounting for 80% of the extant species in the Mollusca. Despite its species-richness, a generalized gastropod shell architecture is maintained because of conserved developmental processes. All of the shelled gastropods grow by adding, in a unidirectional accretionary way, shell material with the mantle edge organ, usually at different deposition rates around the existing aperture. This shell ontogeny, or to be more specific aperture ontogeny, gives the general spiral form for the shells. However, spiral forms can vary when there are changes in any one of the aspects in the aperture ontogeny profiles, namely, the rate and direction of shell deposition around the aperture, size and shape of the aperture (i.e. mantle edge), and the total length of the shell ontogeny processes. The interplays between these developmental parameters have generated a great diversity in shell form, for which taxonomists and evolutionary biologist are now trying to accurately characterize and to understand with regard to its evolution. This thesis reveals several hitherto unknown aspects of Plectostoma shell forms, in terms of the developmental homology, the aperture ontogeny profile, anti-predation functionality, and evolutionary pattern in shell characters and ontogenetic morphospace evolution. In fact, these are the issues that have been targeted by biologists for centuries in order to improve the way shell shape is characterized and to improve understanding of shell form evolution.
    Keywords: Hydrocenidae ; Georissa ; Landsnail ; Limestone ; Systematics ; Morphological variation ; Evolution
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/doctoralThesis
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  • 9
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    ALVIN 215 B Dive 215 August 30, 1967 Fisheries and Research, Pilots McCamis and Bland, observer Wiglet (BFC) (2022)
    Details
    Publication Date: 2023-02-03
    Description: ALVIN 215 B Dive 215 August 30, 1967 Fisheries and Research, Pilots McCamis and Bland, observer Wiglet (BFC)
    Description: The runtime for this video is 08m 34s.
    Description: Alvin dive 215 took place on August 30, 1967 during voyage LU-10. The Chief Scientist was R. Wigley in the operating area of Georges Bank. The purposewas described as 'FISHERIES RESEARCH' and the sponsor as 'ONR'.
    Description: The items in this collection are embargoed in the system in keeping with copyright requirements. However, they are available to users upon request. Please contact the MBLWHOI Library to access the items at whoas@whoi.edu.
    Description: Digitization of this material was supported by a Recordings at Risk grant from the Council on Library and Information Resources (CLIR). The grant program is made possible by funding from The Andrew W. Mellon Foundation. CLIR is an independent, nonprofit organization that forges strategies to enhance research, teaching, and learning environments in collaboration with libraries, cultural institutions, and communities of higher learning. To learn more, visit www.clir.org and follow CLIR on Facebook and Twitter.
    Description: 2200-01-01
    Keywords: CLIR Recordings at Risk Grant ; Alvin (Submarine)
    Repository Name: Woods Hole Open Access Server
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  • 10
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    ALVIN 236 B Alvin dive 236, Ocotber 15, 1967, recovery of alvin mechanical arm and basket (2022)
    Details
    Publication Date: 2023-02-03
    Description: ALVIN 236 B Alvin dive 236, Ocotber 15, 1967, recovery of alvin mechanical arm and basket
    Description: The runtime for this video is 10m 55s.
    Description: Alvin dive 236 took place on October 15, 1967 during voyage LU-14. The Chief Scientist was K. Emery in the operating area of Continental Slope. The purposewas described as 'GEOLOGY' and the sponsor as 'ONR'.
    Description: The items in this collection are embargoed in the system in keeping with copyright requirements. However, they are available to users upon request. Please contact the MBLWHOI Library to access the items at whoas@whoi.edu.
    Description: Digitization of this material was supported by a Recordings at Risk grant from the Council on Library and Information Resources (CLIR). The grant program is made possible by funding from The Andrew W. Mellon Foundation. CLIR is an independent, nonprofit organization that forges strategies to enhance research, teaching, and learning environments in collaboration with libraries, cultural institutions, and communities of higher learning. To learn more, visit www.clir.org and follow CLIR on Facebook and Twitter.
    Description: 2200-01-01
    Keywords: CLIR Recordings at Risk Grant ; Alvin (Submarine)
    Repository Name: Woods Hole Open Access Server
    Type: Moving Image
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