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Listar por palabra clave "Ultrastructure"

Mostrando ítems 1-10 de 10

A change of developmental program induces the remodeling of the interchromatin domain during microspore embryogenesis in Brassica napus L

Seguí-Simarro, Jose M.; Corral Martínez, Patricia; Corredor, E.; Raska, I.; Testillano, P. S.; Risueno, M.C. (Elsevier, 2011-05-15)

After a stress treatment, in vitro-cultured pollen changes its normal gametophytic developmental pathway towards embryogenesis producing multicellular embryos from which, finally, haploid and double haploid plants develop. ...
Coexistence of different intrathalline symbiotic algae and bacterial biofilms in the foliose Canarian lichen Parmotrema pseudotinctorum

Molins, Arantxa; García-Breijo, Francisco-José; Reig Armiñana, José; Del Campo, Eva M.; Casano, Leonardo; Barreno Rodriguez, Eva (Organismo Autónomo de Museos y Centros del Cabildo de Tenerife, 2013)

[EN] Parmotrema pseudotinctorum (des Abb.) Hale is a foliose lichen able to colonize large areas on rock surfaces in semiarid and warm localities in the Canary Islands. In this contribution, we investigate the phycobionts ...
Effects of elevated ozone on physiological, anatomical and ultrastructural characteristics of four common urban tree species in China

Gao, Feng; CALATAYUD LORENTE, VICENTE; García-Breijo, Francisco-José; Reig Armiñana, José; Feng, Zhaozhong (Elsevier, 2016-08)

Fast urbanization has led to ozone (O3) being the main pollutant in summer in most of China. To assess future ground-level O3 effects on the service of urban greening species and clarify the underlying mechanism of O3 ...
Microbial inactivation by means of ultrasonic assisted supercritical CO2. Effect on cell ultrastructure

Gómez-Gómez, Ángela; Brito-de la Fuente, Edmundo; Gallegos, Críspulo; Garcia-Perez, J.V.; Quiles Chuliá, Mª Desamparados; Benedito Fort, José Javier (Elsevier, 2022-01)

[EN] The effect of ultrasound (HPU) on the supercritical carbon dioxide (SC-CO2) inactivation of vegetative bacteria (Escherichia coli, Brevundimonas diminuta) and a fungal spore (Aspergillus niger) at different pressures ...
Molecular and Morphological Diversity of Trebouxia Microalgae in Sphaerothalliod Circinaria spp. Lichens

Molins, A.; Moya, P.; García-Breijo, Francisco-José; Reig-Armiñana, José; Barreno, E. (Blackwell Publishing, 2018)

[EN] Three vagrant (Circinaria hispida, Circinaria gyrosa, Circinaria sp. `paramerae¿) and one crustose (semi-vagrant, Circinaria sp.`oromediterranea¿) growing in very continental areas in the Iberian Peninsula were selected ...
Multidisciplinary approach to describe Trebouxia diversity within lichenized fungi Buellia zo-haryi from the Canary Islands.

Molins, Arantzazu; Chiva, Salvador; Calatayud, Angeles; Marco, Francisco; García-Breijo, Francisco-José; Reig-Arminana, Jose; Carrasco, Pedro; Moya, Patricia (Springer-Verlag, 2020-11)

[EN] The Canary Islands are famous for their extraordinary biodiversity; however, lichenized algae have only been studied partially. Buellia zoharyi is a circum-Mediterranean/Macaronesian species that usually occurs in ...
Novel features of Brassica napus embryogenic microspores revealed by high pressure freezing and freeze substitution: evidence for massive autophagy and excretion-based cytoplasmic cleaning

Corral Martínez, Patricia; Parra Vega, Verónica; Seguí-Simarro, Jose M. (Oxford University Press (OUP): Policy B - Oxford Open Option A, 2013)

[EN] Induction of embryogenesis from isolated microspore cultures is a complex experimental system where microspores undergo dramatic changes in developmental fate. After ~40 years of application of electron microscopy to ...
Post-warming competence of in vivo matured rabbit oocytes treated with cytoskeletal stabilisation (Taxol) and cytoskeletal relaxant (Cytochalasin B) before vitrification

Jiménez Trigos, María Estrella; Naturil Alfonso, Carmen; Vicente Antón, José Salvador; Marco Jiménez, Francisco (Wiley, 2013-02)

[EN] Contents The aim of this study was to investigate the effect of Taxol and Cytochalasin B on the spindle, chromosome configuration and development to blastocyst stage after parthenogenesis activation of in vivo matured ...
South European populations of Ramalina farinacea (L.) Ach. share different Trebouxia algae

Del Campo, Eva M.; Gimeno, José; De Nova, J.P.G.; Casano, Leonardo; Gasulla Vidal, Francisco; García-Breijo, Francisco-José; Reig Armiñana, José; Barreno Rodriguez, Eva (J. Cramer in der Gebrueder Borntraeger Verlagsbuchhandlung, 2010)

[EN] Little is currently known about the population structure of lichen photobionts. Accordingly, in this study we analyzed the nature and distribution of phycobionts in different Spanish populations of Ramalina farinacea. ...
Two Trebouxia algae with different physiological performances are ever-present in lichen thalli of Ramalina farinacea. Coexistence versus Competition

Casano, L.; Del Campo, E.M.; García Breijo, Francisco José; Reig Armiñana, José; Gasulla, F.; del Hoyo, A.; Guéra, A.; Barreno, E. (WILEY-BLACKWELL, 2011-03)

Ramalina farinacea is an epiphytic fruticose lichen that is relatively abundant in areas with Mediterranean, subtropical or temperate climates. Little is known about photobiont diversity in different lichen populations. ...