Results 141 to 150 of about 2,656 (174)

An investigation of carotenoid biosynthesis in Coffea canephora and Coffea arabica

Journal of Plant Physiology, 2008
Carotenoids are essential components of the photosynthetic apparatus in a wide range of organisms. They participate in the adaptation of plastids to changing environmental light conditions and prevent photo-oxidative damage of the photosynthetic apparatus by detoxifying reactive oxygen species. We identified eight cDNAs from the carotenoid biosynthetic
Andrew J, Simkin, Helene, Moreau, Marcel, Kuntz, Gaëlle, Pagny, Chenwei, Lin, Steve, Tanksley, James, McCarthy   +6 more
openaire   +2 more sources

Auxin Immunolocalization in Coffea canephora Tissues

2018
Auxins are plant growth regulators that participate in a variety of biological mechanisms during the growth and development of plants. The most abundant natural auxin is indole-3-acetic acid (IAA). The physiological processes regulated by IAA depend on their temporal space accumulation in different tissues of a plant.
Ruth E, Márquez-López, Ángela, Ku-González, Hugo A, Méndez-Hernández, Rosa M, Galaz-Ávalos, Víctor M, Loyola-Vargas   +4 more
openaire   +2 more sources

Resistance to root-lesion nematodes on Coffea canephora

2004
Root-lesion nematodes (Pratylenchus spp.) are widely distributed in coffee plantations worldwide. In Central America, many of them are highly pathogenic on Coffea arabica causing important economic damage. The poor efficiency of nematicide treatments to control Pratylenchus spp. was demonstrated in Guatemala. In this country, C. canephora was used as a
Villain, Luc, Anzueto, Francisco, Sarah, Jean-Louis   +2 more
openaire   +3 more sources

SHS-GC-MS applied in Coffea arabica and Coffea canephora blend assessment

Analytical Methods, 2023
The present study proposes a new approach for blend assessment based on the volatile composition extracted and analyzed by SHS-GC-MS associated with multivariate and univariate methods for a qualitative (identification) and quantitative evaluation.
Marcos Valério Vieira Lyrio, Pedro Henrique Pereira da Cunha, Danieli Grancieri Debona, Bárbara Zani Agnoletti, Bruno Quirino Araújo, Roberta Quintino Frinhani, Paulo Roberto Filgueiras, Lucas Louzada Pereira, Eustáquio Vinicius Ribeiro de Castro   +8 more
openaire   +2 more sources

High frequency somatic embryogenesis in Coffea canephora [PDF]

Plant Cell, Tissue and Organ Culture, 1996
Leaf explants of Coffea canephora (P. ex Fr.) produced a friable yellow callus when they were cultured on a conditioning basal medium with 2.2 μM 2,4-D, 2.4 μM IBA and 9.8 μM 2iP for 4 weeks then on an induction basal medium with 4.4 μM 2,4-D and 17.8 μM BA for 10 weeks.
Berthouly, Marc, Michaux-Ferrière, Nicole   +1 more
openaire   +1 more source

Direct somatic embryogenesis in Coffea canephora.

Methods in molecular biology (Clifton, N.J.), 2006
Somatic embryogenesis (SE) provides a useful model to study embryo development in plants. In contrast to zygotic embryogenesis, SE can easily be observed, the culture conditions can be controlled, and large quantities of embryos can be easily obtained. In Coffea spp several model systems have been reported for in vitro SE induction.
Francisco, Quiroz-Figueroa, Miriam, Monforte-González, Rosa M, Galaz-Avalos, Victor M, Loyola-Vargas   +3 more
openaire   +1 more source

Genetic transformation of Coffea canephora by vacuum infiltration

Plant Cell, Tissue and Organ Culture, 2006
Agrobacterium-mediated plant transformation protocol was evaluated as a fast method to obtain genetically modified Coffea canephora plantlets. Leaf explants were used as source material for Agrobacterium tumefaciens-mediated transformation involving a vacuum infiltration protocol, followed by a step of somatic embryogenesis induction and a final ...
R.L.R. Canche-Moo, A. Ku-Gonzalez, C. Burgeff, V.M. Loyola-Vargas, L.C. Rodríguez-Zapata, E. Castaño   +5 more
openaire   +1 more source

AFLP and SSR polymorphism in a Coffea interspecific backcross progeny ((Coffea heterocalyx X Coffea Canephora) X C. Canephora) [S10-45]

2003
An interspecific cross (BC 1) involving a species with one of the biggest genomes in Coffea genus (C. heterocalyx (HET), qDNA = 1.74 pg) and a species with a medium genome size (C. canephora (CAN), qDNA = 1.43 pg) was studied using two types of molecular markers, AFLPTM and SSR.
Coulibaly, Issa, Revol, Brigitte, Noirot, Michel, Poncet, Valérie, Lorieux, Mathias, Carasco-Lacombe, Catherine, Minier, Jérôme, Hamon, Perla   +7 more
openaire   +1 more source

Sur les relations caryologiques entre Coffea arabica et Coffea canephora

1972
L'examen de la conjugaison chromosomique à la métaphase I de la méïose chez un hybride F1 triploïde appelé GPC 18 et obtenu à Bingerville par fécondation de C. arabica par un mélange de pollen de divers clones de C. canephora permet de préciser la structure génétique de C.a.
Kammacher, P., Capot, J.
openaire   +1 more source

Coffea canephora

2015
Daniel Cohen Goldemberg, Andrea Gonçalves Antonio, Adriana Farah, Lucianne Cople Maia   +3 more
openaire   +1 more source