Results 61 to 70 of about 37,502 (149)

Transcriptomic characterization of the response to a microalgae extract in Arabidopsis thaliana and Solanum lycopersicum

open access: yesJournal of the Science of Food and Agriculture, Volume 104, Issue 10, Page 5789-5798, 15 August 2024.
Abstract BACKGROUND The steady world population growth and the current climate emergency crisis demand the development of sustainable methods to increase crop performance and resilience to the abiotic and biotic stresses produced by global warming.
Christina Arvanitidou   +5 more
wiley   +1 more source

Análisis del abordaje de la respiración celular en textos escolares para el Ciclo Básico Unificado [PDF]

open access: yes, 2008
Los libros de texto son un recurso didáctico ampliamente utilizado para la enseñanza de las ciencias. Dada su importante influencia como vía de acceso a los contenidos científicos, resulta imperioso analizar el modo en que éstos son abordados, para ...
Ferreiro, Gabriela, Occelli, Maricel
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Developmental Biology in Cyanobacteria

open access: yesLife, 2019
Filamentous, heterocyst-forming cyanobacteria are phototrophic multicellular organisms in which N2-fixing heterocysts and CO2-fixing vegetative cells exchange regulators and nutrients [...]
Antonia Herrero, Enrique Flores
doaj   +1 more source

Glycogen synthesis prevents metabolic imbalance and disruption of photosynthetic electron transport from photosystem II during transition to photomixotrophy in Synechocystis sp. PCC 6803

open access: yesNew Phytologist, Volume 243, Issue 1, Page 162-179, July 2024.
Summary Some cyanobacteria can grow photoautotrophically or photomixotrophically by using simultaneously CO2 and glucose. The switch between these trophic modes and the role of glycogen, their main carbon storage macromolecule, was investigated.
Pablo Ortega‐Martínez   +5 more
wiley   +1 more source

Regulation of K+ Nutrition in Plants

open access: yesFrontiers in Plant Science, 2019
Modern agriculture relies on mineral fertilization. Unlike other major macronutrients, potassium (K+) is not incorporated into organic matter but remains as soluble ion in the cell sap contributing up to 10% of the dry organic matter.
Paula Ragel   +5 more
doaj   +1 more source

Lipid turnover through lipophagy in the newly identified extremophilic green microalga Chlamydomonas urium

open access: yesNew Phytologist, Volume 243, Issue 1, Page 284-298, July 2024.
Summary Autophagy is a central degradative pathway highly conserved among eukaryotes, including microalgae, which remains unexplored in extremophilic organisms. In this study, we described and characterized autophagy in the newly identified extremophilic green microalga Chlamydomonas urium, which was isolated from an acidic environment.
María Esther Pérez‐Pérez   +7 more
wiley   +1 more source

Concepciones de los estudiantes de un contexto rural sobre la fotosíntesis

open access: yesPraxis & Saber, 2020
La fotosíntesis es uno de los ejes temáticos más conflictivos para los estudiantes, por un lado, por su falta de comprensión y, por otro, es el tema con el cual más dificultades acumulan.
Yobana Lucía Vega   +2 more
doaj   +1 more source

La basura y el ciclo de los materiales [PDF]

open access: yes, 2013
La circulación de los materiales en los ecosistemas es un concepto algo abstracto y difícil de enseñar. En el ciclo natural de los materiales, sustancias como carbono, agua, nitrógeno o calcio se transfieren sucesivamente de vegetales a herbívoros,
Semmartin, María Gisela
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Pushing the limits of C3 intrinsic water use efficiency in Mediterranean semiarid steppes: Responses of a drought‐avoider perennial grass to climate aridification

open access: yesFunctional Ecology, Volume 38, Issue 4, Page 955-966, April 2024.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Intrinsic water use efficiency (WUEi) reflects the trade‐off between photosynthetic carbon gain and water loss through stomatal conductance and is key for understanding dryland plant responses to climate change.
Wei Ren   +5 more
wiley   +1 more source

Consecuencias del déficit hídrico en viñedos de zonas cálidas y estrategias de riego en función de los objetivos de la producción de uva [PDF]

open access: yes, 2012
El uso eficiente de los recursos hídricos es una preocupación global, que aparece como uno de los temas prioritarios en la agenda de la próxima Cumbre de la Tierra (Río+20), que se celebrará en junio en Brasil; el agua será enfocada en la Cumbre desde el
Lissarrague Garcia-Gutierrez, Jose Ramon
core  

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