Results 91 to 100 of about 18,027,522 (306)

Floral biology and pollination in Brazil: history and possibilities

Acta Botânica Brasílica
Pollination research in Brazil virtually started with Fritz Muller, whose insights supported Darwin's evolutionary theory. Pollination systems of Brazilian plants were studied mainly by travelling researchers until early last century when native or ...
Paulo Eugênio Oliveira, André Rodrigo Rech   +1 more
doaj   +1 more source

Paclitaxel induces NM2‐dependent cellular contraction through GEF‐H1 dissociation from microtubules and RhoA/ROCK activation in cancer cells

Molecular Oncology, EarlyView.
Taxanes are widely used chemotherapeutics whose effects on cellular mechanics remain poorly understood. We show that paclitaxel induces rapid cellular contraction by promoting GEF‐H1 dissociation from microtubules and non‐muscle myosin II activation through RhoA/ROCK.
Gloria Asensio‐Juárez, Rafael Pérez‐Díaz, Hugo Ramos‐Solano, Marina Garrido‐Casado, Vanessa C. Talayero, Miguel Vicente‐Manzanares   +5 more
wiley   +1 more source

Efeito do tipo de sistema de criação nos resultados econômicos de sistemas de produção de leite na região de Lavras (MG) Effect of the type of breeding system on the economical results of milk production systems in Lavras region (MG)

Ciência e Agrotecnologia, 2004
Objetivou-se com esta pesquisa estudar a rentabilidade da atividade leiteira de sistemas de produção de leite na região de Lavras/MG, analisando a influência do tipo do sistema de criação sobre o custo de produção do leite.
Marcos Aurélio Lopes, André Luis Ribeiro Lima, Francisval de Melo Carvalho, Ricardo Pereira Reis, Íris Cristina Santos, Fernanda Helena Saraiva   +5 more
doaj   +1 more source

Mutant p53R273H disrupts PDPK1 homodimerization and contributes to PDPK1 activation

Molecular Oncology, EarlyView.
How mutant p53R273H drives AKT signaling is unclear. We show that p53R273H, but not wild‐type, directly binds PDPK1 via a mutation‐dependent conformational change. This interaction disrupts inhibitory PDPK1 homodimerization and enhances AKT phosphorylation.
Mei Chee Lim, Alvin Kunyao Guo, Yoko Itahana, Srinivasaraghavan Kannan, Valerie Goh, Mingmin Ong, Terina Yan Wen Tay, Weiying Ye, Sabhashina Radha Krishnan, Jun Nishiyama, Chandra S Verma, Koji Itahana   +11 more
wiley   +1 more source

Energy requirement for maintenance and gain for two genotypes of quails housed in different breeding rearing systems

Revista Brasileira de Zootecnia, 2011
This study aimed to estimate the energy requirements for maintenance and gain of Japanese and European quails under growth housed in two rearing systems: floor pens and cages.
José Jordão Filho, José Humberto Vilar da Silva, Cidinei Trajano Silva, Fernando Guilherme Perazzo Costa, Janaína Maria Batista de Sousa, Patrícia Emília Naves Givisiez   +5 more
doaj   +1 more source

Targeting the EpCAM‐AXL axis to overcome drug resistance in lung cancer

Molecular Oncology, EarlyView.
Lung cancer cells often evade therapy by hijacking signaling pathways. We reveal that cleaved EpCAM (sEpCAM) stabilizes the oncogenic protein AXL, driving NF‐κB and STAT3‐mediated chemoresistance. This EpCAM‐AXL axis identifies a high‐risk patient subset with poor prognosis.
Alexa Guerrero‐Alba, Mark Shacker, Timothy P. Fleming, Michael A. Smith, Ross M. Bremner, Narendra V. Sankpal   +5 more
wiley   +1 more source

Early Shedding of Sepals Promotes Cross-Pollination of Actaea erythrocarpa (Ranunculaceae)

Biology
The diversity of floral traits in angiosperms has evolved over time as an adaptive response to reproductive demands. Investigating floral characteristics and pollination systems helps elucidate the evolutionary drivers behind morphological variation in ...
Jiudong Zhang, Weijun Xu, Deng Yang, Xiaoxiao Liu, Xiaohui Zhang, Rui Guo, Jing Xu, Ziwei Li, Jie Sui, Lin Wang, Tianpeng Gao   +10 more
doaj   +1 more source

Raman‐based label‐free microscopic analysis of the pancreas in living zebrafish larvae

FEBS Open Bio, EarlyView.
Forward stimulated Raman scattering (F‐SRS) and epi coherent anti‐Stokes Raman scattering (E‐CARS) allow label‐free discrimination of distinct subcellular structures in the pancreas of living zebrafish larvae. Given the straightforward applicability, we anticipate broad implementation of Raman microscopy in other organs and across various biomedical ...
Noura Faraj, Eline M. F. de Lange, Klaas A. Sjollema, Ben N. G. Giepmans   +3 more
wiley   +1 more source

RoundMi: A quantitative method to analyze mitochondrial morphology in mitotic cells

FEBS Open Bio, EarlyView.
RoundMi is a workflow for rapid analysis of mitochondrial morphology in mitotic cells. By combining adaptive preprocessing with automated segmentation and quantification, it enables accurate measurements from single focal plane images, reducing acquisition time and computational demands while remaining compatible with high‐throughput fixed and live ...
Elmira Parvindokht Bararpour, Christine Volmert, Valentina Piano   +2 more
wiley   +1 more source

Reproductive Constraints in Camellia gauchowensis: Insights from Flowering Phenology, Pollen Traits and Pollinator Activity

Horticulturae
Camellia gauchowensis is widely distributed in South China. Field observations indicate that it produces abundant flowers but yields relatively few fruits under natural conditions.
Huibin Liu, Linxiu Liu, Yu Sheng, Xueyuan Ren, Shengsheng Wang, Miaomiao Tian, Deyi Yuan, Lin Cheng   +7 more
doaj   +1 more source