Navegação Ciências Biológicas por Título
Resultados 2913-2932 de 3020
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Ultrastructural analysis of the dorsal body gland of the terrestrial snail Megalobulimus abbreviatus (Becquaert, 1948)
(2010) [Artigo de periódico]Foi analisada a ultraestrutura da glândula reprodutiva corpo dorsal (CD) de Megalobulimus abbreviatus. Imunoistoquímica para microscopia eletrônica foi utilizada para detectar peptídeos relacionados ao tetrapeptídeo FMRFamida ... -
Understanding Brazil’s catastrophic fires : causes, consequences and policy needed to prevent future tragedies
(2021) [Artigo de periódico]Brazil has experienced unprecedented wildfires in the last decade. Images ofimmense burnt areas or dead animals that failed to escape the 2020 wildfires have shocked the world. To prevent or minimize further similardisasters ... -
Understanding the early presentation of mucopolysaccharidoses disorders : results of a systematic literature review and physician survey
(2018) [Artigo de periódico]As therapies are developed for rare disorders, challenges of early diagnosis become particularly relevant. This article focuses on clinical recognition of mucopolysaccharidoses (MPS), a group of rare genetic diseases related ... -
Uniparental genetic markers in South Amerindians
(2012) [Artigo de periódico]A comprehensive review of uniparental systems in South Amerindians was undertaken. Variability in the Y-chromosome haplogroups were assessed in 68 populations and 1,814 individuals whereas that of Y-STR markers was assessed ... -
Uniparental (mtDNA, Y-chromosome) polymorphisms in French Guiana and two related populations : implications for the region's colonization
(2007) [Artigo de periódico]Blood samples collected in four Amerindian French Guiana populations (Palikur, Emerillon, Wayampi and Kali’na) in the early 1980s were screened for selected mtDNA and Y-chromosome length polymorphisms, and sequenced for ... -
Universal tick vaccines : candidates and remaining challenges
(2023) [Artigo de periódico]Recent advancements in molecular biology, particularly regarding massively parallel sequencing technologies, have enabled scientists to gain more insight into the physiology of ticks. While there has been progress in ... -
Unmet needs in countries participating in the undiagnosed diseases network international : an international survey considering national health care and economic indicators
(2022) [Artigo de periódico]Background: Patients, families, the healthcare system, and society as a whole are all significantly impacted by rare diseases (RDs). According to various classifications, there are currently up to 9,000 different rare ... -
Unraveling oxidative stress response in the cestode parasite Echinococcus granulosus
(2019) [Artigo de periódico]Cystic hydatid disease (CHD) is a worldwide neglected zoonotic disease caused by Echinococcus granulosus. The parasite is well adapted to its host by producing protective molecules that modulate host immune response. An ... -
Unraveling rice tolerance mechanisms against schizotetranychus oryzae mite infestation
(2018) [Artigo de periódico]Rice is the staple food for over half of the world’s population. Infestation of Schizotetranychus oryzae (Acari: Tetranychidae) causes great losses in rice productivity. To search for rice genotypes that could better ... -
Unravelling MADS-box gene family in Eucalyptus spp. : a starting point to an understanding of their developmental role in trees
(2005) [Artigo de periódico]MADS-box genes encode a family of transcription factors which control diverse developmental processes in flowering plants ranging from root to flower and fruit development. Members of the MADS-box gene family share a highly ... -
Unravelling the transcriptome profile of the swine respiratory tract mycoplasmas
(2014) [Artigo de periódico]The swine respiratory ciliary epithelium is mainly colonized by Mycoplasma hyopneumoniae, Mycoplasma flocculare and Mycoplasma hyorhinis. While colonization by M. flocculare is virtually asymptomatic, M. hyopneumoniae and ... -
Unrevealing Parasitic Trophic Interactions— A Molecular Approach for Fluid-Feeding Fishes
(2018) [Artigo de periódico]Fish diets have been traditionally studied through the direct visual identification of food items found in their stomachs. Stomach contents of Vandeliinae and Stegophilinae (family Trichomycteridae) parasite catfishes, ... -
Unveiling fungal community structure along different levels of anthropic disturbance in a South American subtropical lagoon
(2023) [Artigo de periódico]Studies of fungal communities through amplicon metagenomics in aquatic environments, particularly in freshwater ecosystems, are still relatively recent. Unfortunately, many of these water bodies are facing growing threats ... -
Unveiling the germination requirements for Cereus hildmannianus (Cactaceae), a potential new crop from southern and southeastern Brazil
(2021) [Artigo de periódico]Cereus hildmannianus K. Schum is a columnar cactus native to South and Southeast Brazil. The cultivation of this species seems justifiable for several reasons: its fruits are spineless and edible; it is not threatened with ... -
Updated birth prevalence and relative frequency of mucopolysaccharidoses across Brazilian regions
(2021) [Artigo de periódico]The mucopolysaccharidoses (MPS) are a group of lysosomal storage disorders caused by 11 enzyme deficiencies, classified into seven types. Data on the birth prevalence of each MPS type are available for only a few countries, ... -
Updates on extratropical region climbing plant flora : news regarding a still-neglected diversity
(2019) [Artigo de periódico]Most studies concerning climbing plants have focused on lianas, forest ecosystems, and tropical regions. Thus, the majority of existing information is not relevant to all climbing plants (lianas and vines) or all ecoregions ... -
Ureases display biological effects independent of enzymatic activity. Is there a connection to diseases caused by urease-producing bacteria?
(2006) [Artigo de periódico]Ureases are enzymes from plants, fungi and bacteria that catalyze the hydrolysis of urea to form ammonia and carbon dioxide. While fungal and plant ureases are homo-oligomers of 90-kDa subunits, bacterial ureases are ... -
Urinary endogenous peptides as biomarkers for prostate cancer
(2023) [Artigo de periódico]Prostate cancer (PCa) is one of the most prevalent types of cancer in men worldwide; however, the main diagnostic tests available for PCa have limitations and a biopsy is required for histopathological confirmation of the ... -
Urinary peptidomics and bioinformatics for the detection of diabetic kidney disease
(2020) [Artigo de periódico]The aim of this study was to establish a peptidomic profle based on LC-MS/MS and random forest (RF) algorithm to distinguish the urinary peptidomic scenario of type 2 diabetes mellitus (T2DM) patients with diferent stages ... -
URS Campestre seedless orange : a new mutant with female sterility
(2017) [Artigo de periódico]Seedlessness in fruit is a trait that is much sought after by juice making industries. Close to the city of São Sebastião do Caí, in the state of Rio Grande do Sul (RS), Brazil, a new mutant orange originating from natural ...
