Results 1 to 10 of about 15,085 (210)

Genomic features of lichen-associated black fungi. [PDF]

open access: yesIUBMB Life
Abstract Lichens are mutualistic associations consisting of a primary fungal host, and one to few primary phototrophic symbiont(s), usually a green alga and/or a cyanobacterium. They form complex thallus structures, which provide unique and stable habitats for many other microorganisms. Frequently isolated from lichens are the so‐called black fungi, or
Keller V, Calchera A, Otte J, Schmitt I.
europepmc   +2 more sources

Actividad antifúngica de melanina en cepas clínicas de Candida spp [PDF]

open access: yesRevista Chilena De Infectologia, 2014
Introduccion: Los melanocitos son celulas presentes en piel y en mucosas que sintetizan melanina, ademas de citoquinas. Es sabido que melanina presenta actividad antimicrobiana y que los melanocitos se melanizan al ser expuestos a moleculas microbianas.
Cecilia V Tapia
exaly   +3 more sources

Avaliação da produção de melanina por espécies de Cryptococcus em quatro diferentes meios de cultura [PDF]

open access: yesRevista Da Sociedade Brasileira De Medicina Tropical, 2007
A capacidade de Cryptococcus spp produzir melanina em meios contendo compostos fenólicos é amplamente utilizada na identificação destas espécies no laboratório. O objetivo do presente trabalho foi comparar a produção desse pigmento em quatro meios de cultura por Cryptococcus sp.
Reginaldo dos Santos Pedroso   +1 more
exaly   +4 more sources

A família Margarina tem melanina? Análise interseccional semiótica das representações familiares na publicidade1

open access: yesGaláxia
Resumo O artigo discute as representações familiares negras em anúncios de revista e em conteúdos veiculados no Instagram pelas 10 marcas mais valiosas do Brasil, segundo o ranking Interbrand, no intervalo 2018-2020. Por meio da análise interseccional semiótica dos materiais, verificamos como são representadas as famílias negras, sob uma perspectiva de
Pablo Moreno Fernandes
exaly   +2 more sources

Ácido tranexâmico no tratamento de Melasma [PDF]

open access: yesInfarma: Pharmaceutical Sciences, 2023
O melasma é uma hipercromia adquirida, caracterizada por manchas assimétricas, de cor castanha, localizadas preferencialmente em regiões fotoexpostas, como rosto, e áreas como pescoço, colo e antebraços.
Brenda Conograi   +2 more
doaj   +1 more source

De melanina a melancólico

open access: yesActas Dermo-sifiliográficas, 2002
exaly   +2 more sources

Proximity to metal mining is related to aspects of feather coloration but not fluctuating asymmetry in the Russet‐crowned Motmot (Momotus mexicanus) in south‐central Mexico

open access: yesIbis, Volume 165, Issue 2, Page 587-601, April 2023., 2023
Mining is present in all major biomes worldwide and overlaps strongly with areas of importance for bird conservation. Mining causes multiple types of environmental disturbance, including habitat alteration, increased human presence and persistent heavy metal pollution. Feather coloration and fluctuating asymmetry (random deviation from perfect symmetry
Lynna Marie Kiere   +5 more
wiley   +1 more source

Wet and dry extremes reduce arthropod biomass independently of leaf phenology in the wet tropics

open access: yesGlobal Change Biology, Volume 29, Issue 2, Page 308-323, January 2023., 2023
Although two‐thirds of terrestrial vertebrates consume insects and spiders, how changing rainfall regimes will affect arthropods remains poorly understood. Using spatiotemporal variation in tropical montane climate as a natural experiment, we show arthropod biomass maxima at intermediate rainfall as 3 months of both wet and dry extremes reduced ...
Felicity L. Newell   +2 more
wiley   +1 more source

Pigment molecular composition reveals significant information for visual communication

open access: yesFunctional Ecology, Volume 36, Issue 11, Page 2756-2762, November 2022., 2022
Read the free Plain Language Summary for this article on the Journal blog. Abstract Melanins are the most common pigments in vertebrates and, as such, fufill multiple adaptive functions, including honest signalling. This is the case of male pied flycatchers Ficedula hypoleuca, whose dorsal plumage, composed of black and grey feathers pigmented by ...
Ismael Galván
wiley   +1 more source

Primer registro de leucismo en el género Coendou Lacépède, 1799 (Rodentia: Erethizontidae)

open access: yesMammalogy Notes, 2020
Se reporta por primera vez un caso de leucismo en la especie Coendou prehensilis. El individuo fue hallado de forma fortuita en una zona de bosque perturbado en la región de Los Andes en Venezuela.
Julio C. Romero-Briceño   +1 more
doaj   +1 more source

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