Results 31 to 40 of about 1,369 (247)

Gut microbiome and aging—A dynamic interplay of microbes, metabolites, and the immune system

FEBS Letters, EarlyView.
Age‐dependent shifts in microbial communities engender shifts in microbial metabolite profiles. These in turn drive shifts in barrier surface permeability of the gut and brain and induce immune activation. When paired with preexisting age‐related chronic inflammation this increases the risk of neuroinflammation and neurodegenerative diseases.
Aaron Mehl, Eran Blacher
wiley   +1 more source

Avaliação de métodos indiretos de determinação da erodibilidade de Latossolos brasileiros

Pesquisa Agropecuária Brasileira, 2000
Existem três maneiras de se determinar a erodibilidade do solo (Fator K). A primeira envolve a determinação do fator K em condições de campo, sob chuva natural, a qual é onerosa e muito demorada. O segundo método é semelhante ao primeiro, porém baseia-se
SILVA MARX LEANDRO NAVES, CURI NILTON, LIMA JOSÉ MARIA DE, FERREIRA MOZART MARTINS   +3 more
doaj  

Diversity and complexity in neural organoids

FEBS Letters, EarlyView.
Neural organoid research aims to expand genetic diversity on one side and increase tissue complexity on the other. Chimeroids integrate multiple donor genomes within single organoids. Self‐organising multi‐identity organoids, exogenous cell seeding, or enforced assembly of region‐specific organoids contribute to tissue complexity.
Ilaria Chiaradia, Madeline A. Lancaster
wiley   +1 more source

Carga parasitária de Rondonia rondoni, Travassos, 1920 (Nematoda, Atrictidae) e fator de condição do armado, Pterodoras granulosus, Valenciennes, 1833 (Pisces, Doradidae) - DOI: 10.4025/actascibiolsci.v26i2.1613

Acta Scientiarum: Biological Sciences, 2008
Objetiva-se avaliar o efeito da carga parasitária de Rondonia rondoni sobre o fator de condição de armados, Pterodoras granulosus. Foram necropsiados 51 espécimes de armados, coletados no rio Paraná (Porto Rico/Paraná). Para as análises, utilizaram-se os
Priscila Gôngora Dias, Wilson Massamitu Furuya, Gilberto Cezar Pavanelli, Marion Haruko Machado, Ricardo Massato Takemoto   +4 more
doaj   +1 more source

The human gut microbiome across the life course

FEBS Letters, EarlyView.
Despite significant individual variation and continuous change throughout life, the human gut microbiome follows some life stage‐specific trends. This article provides a brief overview of how gut microbiome composition shifts across different phases of life. Created in BioRender. Özkurt, E. (2026) https://BioRender.com/8q4nrnc.
Alise J. Ponsero, Basak Bahcivanci, Antonietta Hayhoe, Animesh Acharjee, Ezgi Özkurt   +4 more
wiley   +1 more source

Vulnerabilidade natural: a perda de solo da bacia do rio Carinhanha (MG/BA) usando uma abordagem qualitativa da equação universal de perda de solos

Revista Geographia, 2013
O objetivo deste trabalho foi mapear e analisar a susceptibilidade erosiva da bacia do rio Carinhanha por meio da aplicação da Equação Universal de Perda de Solo (EUPS), a fim de subsidiar o planejamento territorial ambiental na área.
Kelly Maria Resende Borges, Osmar Abilio Carvalho Júnior, Eder Souza Martins, Roberto Arnaldo Trancoso Gomes, Renato Fontes Guimarães   +4 more
doaj   +1 more source

Microbiome−host proteostasis crosstalk—An emerging perspective on mechanisms and interventions toward healthy longevity

FEBS Letters, EarlyView.
Proteostasis and the gut microbiota play a key role in shaping host physiology. Microbiota‐derived metabolites, vitamins, and RNA modulate host proteostasis. Findings from model systems, including C. elegans, indicate microbes can either stabilize or disrupt host proteostasis.
Abhishek Anil Dubey, Maria Ermolaeva
wiley   +1 more source

From mice to humans—divergent strategies for intestinal homeostasis and regeneration

FEBS Letters, EarlyView.
Recent advances such as organoid genome editing, xenotransplantation, imaging, and whole‐genome sequencing have enabled direct studies of human intestinal stem cells (ISCs). These studies reveal species‐specific features, including slower ISC proliferation, distinct injury responses, slower somatic mutation accumulation in humans, and an inverse ...
Keiko Ishikawa, Shinya Sugimoto, Toshiro Sato   +2 more
wiley   +1 more source

Levantamentos Gamaespectrométricos em Granitos Diferenciados. I: Revisão da Metodologia e do Comportamento Geoquímico dos Elementos K, Th e U

Geologia USP. Série Científica, 2009
Este trabalho é parte do projeto de estudo detalhado do Complexo Granítico Cunhaporanga (CGC), neoproterozoico, aflorante na região do Arco de Ponta Grossa (estado do Paraná, SE do Brazil).
Horstpeter Herberto Gustavo José Ulbrich, Mabel Norma Costas Ulbrich, Francisco José Fonseca Ferreira, Luizemara Soares Alves, Gilson Burigo Guimarães, Allan Fruchting   +5 more
doaj   +1 more source

Structural insights and therapeutic targets in Acinetobacter baumannii capsule biosynthesis

FEBS Letters, EarlyView.
Hypervirulent KL49 A. baumannii's capsular polysaccharide contains the nonulosonic acid 8‐epi‐Leg5,7Ac2, synthesized by epimerization via ElaA, ElaB, and ElaC. Crystal structures of ElaA, ElaB, and ElaC reveal their role in CMP‐Leg5,7Ac2 synthesis and regioselective C8 epimerization.
Woo Cheol Lee, Junho Jeong, Chae Yeong Lee, Hyunjoon Cho, Man Hwan Oh, Je Chul Lee, Jee‐Young Lee, Yangmee Kim   +7 more
wiley   +1 more source