Results 121 to 130 of about 11,350 (255)

Métodos algebraicos en física molecular: el modelo de osciladores anarmónicos simetrizados (AOSM) para el estudio de la estructura vibracional y una aproximación analítica a la dispersión de electrones por moléculas polares. [PDF]

open access: yes, 1998
En esta Tesis se presentan los resultados del trabajo realizado durante cuatro años en el Instituto de Ciencias Nucleares de la Universidad Nacional Autónoma de México y el Departamento de Física Atómica, Molecular y Nuclear de la Universidad de Sevilla.
Pérez Bernal, Francisco
core  

The GSK3/SHAGGY‐like OsGSK3 phosphorylates and inhibits phase separation of OsFCA at Ser‐43 and Ser‐45 to regulate brassinosteroid signaling and rice architecture

open access: yesNew Phytologist, Volume 251, Issue 4, Page 1909-1929, August 2026.
A working model for GLYCOGEN SYNTHASE KINASE 3‐mediated phosphorylation of FLOWERING CONTROL LOCUS A in the regulation of brassinosteroid signaling and rice growth and development. Summary Brassinosteroid (BR) signaling plays a critical role in rice (Oryza sativa L.) grain development.
Jiaqi Zhang   +14 more
wiley   +1 more source

Point mutation in zinc sensor causes a threefold zinc level increase in Sorghum bicolor

open access: yesNew Phytologist, Volume 251, Issue 4, Page 1617-1624, August 2026.
Point mutation in sensor triples zinc levels in Sorghum bicolor.
Feixue Liao   +4 more
wiley   +1 more source

Global distribution and biogeography of ericoid mycorrhizal fungi

open access: yesNew Phytologist, Volume 251, Issue 4, Page 2135-2151, August 2026.
Global predictions of local ericoid mycorrhizal fungal richness, its latitudinal trends and environmental predictors. Summary Ericoid mycorrhizal (ErM) fungi play a crucial role across terrestrial ecosystems, forming mutualistic symbiosis with Ericaceae and contributing to soil organic matter dynamics.
Iñaki Odriozola   +11 more
wiley   +1 more source

Estructura del fragmento molecular CH2

open access: yes, 1964
En el presente trabajo se aplica el "Método de Ligaduras de Valencia"a los estados singulete y triplete del radical metileno para la configuraciónsp3 del C. Se considera un problema de seis electrones, loselectrones 1s de los H y los electrones 2S, 2px, 2py, 2pz del C. Nose incluyen en el cálculo los electrones 1s del C.
openaire   +2 more sources

Estructura molecular i funció dels músculs vius

open access: yes, 2011
The muscle is a fabulous organic machine able to convert, at a molecular level, chemical energy coming mainly from food into mechanical force. Many efforts have been dedicated from many fields of knowledge with the single objective of finding the answer to the golden question: How can muscle produce force and movement?This thesis answers an essential ...
openaire   +1 more source

Estructura tridimensional de la rodopsina [PDF]

open access: yes, 2002
La rodopsina es un fotopigmento localizado en las membranas discoidales de los fotorreceptores de la retina de los vertebrados que desempeña una función central en el complejo fenómeno de la visión.
Ramon Portés, Eva   +5 more
core   +3 more sources

Estructura molecular y cristalina del bis (bis(dietilamino) glioximato) níquel (II)

open access: yesRevista Colombiana de Química, 1984
Ni(CioH2lN402)2- monoclínico, grupo espacial P2i/a, a = 15.760 (2), b = 11.793 (3), c = 7.297 (1) A°, j3 = 99.10 (1)°, V = 1339.0 (7) A°3, Z = 2 , De = 1.28 Mg M " \ M = 765 M " ' . La estructura fue resuelta por el método del átomo pesado y afinada por mínimos cuadrados, utilizando la matriz completa, hasta obtener una concordancia R = 0.068 para ...
Nuvan, Luis Alejandro   +1 more
openaire   +2 more sources

Natural variation in OsMYB305 downregulating cytokinin‐mediated inhibition of leaf senescence contributes to regional adaptation in rice

open access: yesNew Phytologist, Volume 251, Issue 4, Page 1873-1888, August 2026.
Proposed regulatory model of OsMYB305 in leaf senescence. Summary Accumulating evidence has identified transcription factors (TFs) as key regulators of the onset and progression of leaf senescence. However, the regulatory role of the rice myeloblastosis (MYB) TF OsMYB305 in this process remains largely unknown.
Boyeong Kim   +7 more
wiley   +1 more source

Discovery and characterizatopn of small molecular weight metallocarboxypeptidase inhibitors [PDF]

open access: yes, 2010
Descripció del recurs: el 02 de novembre de 2010Las hidrolasas son enzimas que catalizan la ruptura del enlace amida o peptódico, y por lo tanto son denominadas también proteasas o peptidasas. Las proteasas constituyen cerca del 2 % del genoma humano, lo
Fernández Fleischhauer, Daniel   +2 more
core   +1 more source

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