Results 101 to 110 of about 1,520,482 (356)

Sequence-based species delimitation for the DNA taxonomy of undescribed insects.

open access: yesSystematic Biology, 2006
Cataloging the very large number of undescribed species of insects could be greatly accelerated by automated DNA based approaches, but procedures for large-scale species discovery from sequence data are currently lacking.
J. Pons   +8 more
semanticscholar   +1 more source

Dynamic and Stable Core Microbiota Assist Plants in Enriching Selenium and Reducing Cadmium Absorption

open access: yesAdvanced Science, EarlyView.
During different developmental stages of plants in natural Se–Cd coexisting soils, there is a group of rhizosphere microorganisms with highly dynamic abundance. The abundance variation of these microorganisms is strongly positively correlated with available Se and strongly negatively correlated with available Cd.
Zheng Lei   +16 more
wiley   +1 more source

iDNA from terrestrial haematophagous leeches as a wildlife surveying and monitoring tool - prospects, pitfalls and avenues to be developed [PDF]

open access: yes, 2015
Invertebrate-derived DNA (iDNA) from terrestrial haematophagous leeches has recently been proposed as a powerful non-invasive tool with which to detect vertebrate species and thus to survey their populations.
Calvignac-Spencer, Sebastien   +6 more
core   +4 more sources

The Biology and Taxonomy of Head and Body Lice—Implications for Louse-Borne Disease Prevention

open access: yesPLoS Pathogens, 2013
Sucking lice (Phthiraptera: Anoplura) are obligate blood-feeding ectoparasites of placental mammals including humans. Worldwide, more than 550 species have been described and many are specific to a particular host species of mammal [1].
Denise L. Bonilla   +3 more
semanticscholar   +1 more source

Hydrogen‐Producing Catalysts Based on Ferredoxin Scaffolds

open access: yesAdvanced Science, EarlyView.
Selected plant‐type ferredoxins that lack their natural [2Fe‐2S] clusters functionally bind a hydrogenase active site cofactor and act as hydrogenases themselves. In combination with photosystem I, the light‐dependent H₂ evolution almost matches the H₂ production rates of the natural system.
Yiting She   +6 more
wiley   +1 more source

Microbial genomic taxonomy [PDF]

open access: yes, 2013
A need for a genomic species definition is emerging from several independent studies worldwide. In this commentary paper, we discuss recent studies on the genomic taxonomy of diverse microbial groups and a unified species definition based on genomics ...
Chimetto, Luciane   +5 more
core   +3 more sources

Linking Virus Genomes with Host Taxonomy

open access: yesViruses, 2016
Environmental genomics can describe all forms of organisms—cellular and viral—present in a community. The analysis of such eco-systems biology data relies heavily on reference databases, e.g., taxonomy or gene function databases.
Tomoko Mihara   +8 more
semanticscholar   +1 more source

Abiotic Factors and Plant Communities Shape the Distribution of Soil Pathogenic Oomycetes in Chinese Grasslands

open access: yesAdvanced Science, EarlyView.
The continental‐scale study reveals that soil phosphorus strongly predicts the richness of soil pathogenic oomycetes in Chinese grasslands, while precipitation and plant species richness drive their absolute abundance; modeling predicts ≈42% of grassland areas may face elevated oomycete disease risk under future climate scenarios, especially in typical
Junsheng Ke   +10 more
wiley   +1 more source

Distribution of Carex pallidula (Cyperaceae) in Europe

open access: yesActa Societatis Botanicorum Poloniae, 2016
Carex pallidula is a European species which is often overlooked because it is similar in appearance to C. digitata. So far, this species has been recorded from ten European countries.
Jacob Koopman   +2 more
doaj   +1 more source

African Clarias taxonomy: Implications for the field worker [PDF]

open access: yes, 1985
The taxonomy of African Clarias was reviewed. It was emphasized that much confusion still exists in this taxonomy. The major sources of this confusion were outlined.
Ezenwaji, H.M.G.
core  

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