Results 41 to 50 of about 165,330 (303)

Regeneration of Cytologically Stable Plants Through Dedifferentiation, Redifferentiation, and Artificial Seeds in Spathoglottis plicata Blume. (Orchidaceae)

open access: yesHorticultural Plant Journal, 2017
Spathoglottis plicata Blume. is a horticulturally important vulnerable ground orchid with beautiful flowers blooming round the year. High-frequency protocorm-like body (PLB) formation was established via callus culture from vegetative tissues of in vitro
Sk Moquammel Haque, Biswajit Ghosh
doaj   +1 more source

Phosphatidylinositol 4‐kinase as a target of pathogens—friend or foe?

open access: yesFEBS Letters, EarlyView.
This graphical summary illustrates the roles of phosphatidylinositol 4‐kinases (PI4Ks). PI4Ks regulate key cellular processes and can be hijacked by pathogens, such as viruses, bacteria and parasites, to support their intracellular replication. Their dual role as essential host enzymes and pathogen cofactors makes them promising drug targets.
Ana C. Mendes   +3 more
wiley   +1 more source

Investigation of the Copper Requirements of the Metallophyte Liverworts Cephaloziella nicholsonii Douin and C. massalongoi (Spruce) Müll.Frib

open access: yesPlants, 2023
Former mine sites can provide habitat for many rare specialised bryophyte species that have adapted to metal-rich soil conditions that are toxic to most other plant species.
Christina Campbell   +5 more
doaj   +1 more source

Protein pyrophosphorylation by inositol pyrophosphates — detection, function, and regulation

open access: yesFEBS Letters, EarlyView.
Protein pyrophosphorylation is an unusual signaling mechanism that was discovered two decades ago. It can be driven by inositol pyrophosphate messengers and influences various cellular processes. Herein, we summarize the research progress and challenges of this field, covering pathways found to be regulated by this posttranslational modification as ...
Sarah Lampe   +3 more
wiley   +1 more source

In vitro culture of Vriesea gigantea and Vriesea philippocoburgii: two vulnerable bromeliads native to Southern Brazil

open access: yesBrazilian Archives of Biology and Technology, 2005
Micropropagation studies were carried out using the seeds for establishing an in vitro culture of Vriesea gigantea and Vriesea philippocoburgii. Germination rate of V. gigantea was higher than of V. philippocoburgii. Plantlets of V. philippocoburgii gave
Annette Droste   +3 more
doaj   +1 more source

In vitro spore germination and gametophyte development of two Cyathea species of South America in response to nutrient media

open access: yesRodriguésia, 2023
Cyathea corcovadensis and Cyathea phalerata are tree ferns native to Brazil, endangered in the state of Rio Grande do Sul. Spore germination and gametophyte development in media with different nutrient formulations and activated charcoal were evaluated ...
Catiuscia Marcon   +3 more
doaj   +1 more source

Morfogênese e conservação in vitro para Tabebuia heptaphylla (Vellozo) Toledo (Bignoniaceae) [PDF]

open access: yes, 2006
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Agrárias. Programa de Pós-Graduação em Recursos Genéticos Vegetais.Tabebuia heptaphylla (Vellozo) Toledo (Bignoniaceae) (ipê-roxo-de-sete-folhas) é uma espécie nativa da ...
Higa, Taiza Cristina
core  

Structural instability impairs function of the UDP‐xylose synthase 1 Ile181Asn variant associated with short‐stature genetic syndrome in humans

open access: yesFEBS Letters, EarlyView.
The Ile181Asn variant of human UDP‐xylose synthase (hUXS1), associated with a short‐stature genetic syndrome, has previously been reported as inactive. Our findings demonstrate that Ile181Asn‐hUXS1 retains catalytic activity similar to the wild‐type but exhibits reduced stability, a looser oligomeric state, and an increased tendency to precipitate ...
Tuo Li   +2 more
wiley   +1 more source

In vitro culture as an aid to conservation of indigenous ferns: Diplazium proliferum

open access: yesInternational Journal of Plant Biology, 2015
With the ever growing population and economic needs of Mauritius, the flora of Mauritius has never been in more danger and one group of vascular plants is even more in peril; ferns.
Zubeir M. Golamaully   +3 more
doaj   +1 more source

Status report on the development and application of in vitro techniques for the conservation and use of plant genetic resources [PDF]

open access: yes, 1997
This status report describes the existing techniques for in vitro conservation of plant cells, tissues and organs, their current state of the art, present application and existing problems, identifies priority areas for collaborative research, technology
Ashmore, Sarah E.
core  

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