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001-es BibID:BIBFORM089762
Első szerző:Teixeira da Silva, Jaime A.
Cím:Symbiotic in vitro seed propagation of Dendrobium: fungal and bacterial partners and their influence on plant growth and development / Jaime A. Teixeira da Silva, Elena A. Tsavkelova, Songjun Zeng, Tzi Bun Ng, S. Parthibhan, Judit Dobránszki, Jean Carlos Cardoso, M. V. Rao
Dátum:2015
ISSN:0032-0935 1432-2048
Megjegyzések:The genus Dendrobium is one of the largest genera of the Orchidaceae Juss. family, although some of its members are the most threatened today. The reason why many species face a vulnerable or endangered status is primarily because of anthropogenic interference in natural habitats and commercial overexploitation. The development and application of modern techniques and strategies directed towards in vitro propagation of orchids not only increases their number but also provides a viable means to conserve plants in an artificial environment, both in vitro and ex vitro, thus providing material for reintroduction. Dendrobium seed germination and propagation are challenging processes in vivo and in vitro, especially when the extreme specialization of these plants is considered: (1) their biotic relationships with pollinators and mycorrhizae; (2) adaptation to epiphytic or lithophytic life-styles; (3) fine-scale requirements for an optimal combination of nutrients, light, temperature, and pH. This review also aims to summarize the available data on symbiotic in vitro Dendrobium seed germination. The influence of abiotic factors as well as composition and amounts of different exogenous nutrient substances is examined. With a view to better understanding how to optimize and control in vitro symbiotic associations, a part of the review describes the strong biotic relations of Dendrobium with different associative microorganisms that form microbial communities with adult plants, and also influence symbiotic seed germination. The beneficial role of plant growth-promoting bacteria is also discussed.
Tárgyszavak:Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Megjelenés:Planta. - 242 : 1 (2015), p. 1-22. -
További szerzők:Tsavkelova, Elena A. Zeng, Song-Jun (agrár) Ng, Tzi Bun Parthibhan, Selvaraju Dobránszki Judit (1967-) (biológus) Cardoso, Jean Carlos Rao, Mandali Venkateswara
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2.

001-es BibID:BIBFORM089760
Első szerző:Teixeira da Silva, Jaime A.
Cím:Dendrobium micropropagation: a review / Jaime A. Teixeira da Silva, Jean Carlos Cardoso, Judit Dobránszki, Songjun Zeng
Dátum:2015
ISSN:0721-7714
Megjegyzések:Dendrobium is one of the largest and most important (ornamentally and medicinally) orchid genera. Tissue culture is now an established method for the effective propagation of members of this genus. This review provides a detailed overview of the Dendrobium micropropagation literature. Through a chronological analysis, aspects such as explant, basal medium, plant growth regulators, culture conditions and final organogenic outcome are chronicled in detail. This review will allow Dendrobium specialists to use the information that has been documented to establish, more efficiently, protocols for their own germplasm and to improve in vitro culture conditions based on the optimized parameters detailed in this review. Not only will this expand the use for mass propagation, but will also allow for the conservation of important germplasm. Information on the in vitro responses of Dendrobium for developing efficient protocols for breeding techniques based on tissue culture, such as polyploidization, somatic hybridization, isolation of mutants and somaclonal variants and for synthetic seed and bioreactor technology, or for genetic transformation, is discussed in this review. This is the first such review on this genus and represents half a decade of literature dedicated to Dendrobium micropropagation.
Tárgyszavak:Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Megjelenés:Plant Cell Reports. - 34 : 5 (2015), p. 671-704. -
További szerzők:Cardoso, Jean Carlos Dobránszki Judit (1967-) (biológus) Zeng, Song-Jun (agrár)
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3.

001-es BibID:BIBFORM089759
Első szerző:Teixeira da Silva, Jaime A.
Cím:Asymbiotic in vitro seed propagation of Dendrobium / Jaime A. Teixeira da Silva, Elena A. Tsavkelova, Tzi Bun Ng, S. Parthibhan, Judit Dobránszki, Jean Carlos Cardoso, M. V. Rao, Songjun Zeng
Dátum:2015
ISSN:0721-7714
Megjegyzések:The ability to germinate orchids from seeds in vitro presents a useful and viable method for the propagation of valuable germplasm, maintaining the genetic heterogeneity inherent in seeds. Given the ornamental and medicinal importance of many species within the genus Dendrobium, this review explores in vitro techniques for their asymbiotic seed germination. The influence of abiotic factors (such as temperature and light), methods of sterilization, composition of basal media, and supplementation with organic additives and plant growth regulators are discussed in context to achieve successful seed germination, protocorm formation, and further seedling growth and development. This review provides both a basis for the selection of optimal conditions, and a platform for the discovery of better ones, that would allow the development of new protocols and the exploration of new hypotheses for germination and conservation of Dendrobium seeds and seedlings.
Tárgyszavak:Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Megjelenés:Plant Cell Reports. - 34 : 10 (2015), p. 1685-1706. -
További szerzők:Tsavkelova, Elena A. Ng, Tzi Bun Parthibhan, Selvaraju Dobránszki Judit (1967-) (biológus) Cardoso, Jean Carlos Rao, Mandali Venkateswara Zeng, Song-Jun (agrár)
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DOI
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4.

001-es BibID:BIBFORM088935
Első szerző:Teixeira da Silva, Jaime A.
Cím:Methods for genetic transformation in Dendrobium / Jaime A. Teixeira da Silva, Judit Dobránszki, Jean Carlos Cardoso, Stephen F. Chandler, Songjun Zeng
Dátum:2016
ISSN:0721-7714
Megjegyzések:The orchid genus Dendrobium contains species that have both ornamental value and medicinal importance. There is thus interest in producing cultivars that have increased resistance to pests, novel horticultural characteristics such as novel flower colours, improved productivity, longer flower spikes, or longer post-harvest shelf-life. Tissue culture is used to establish clonal plants while in vitro flowering allows for the production of flowers or floral parts within a sterile environment, expanding the selection of explants that can be used for tissue culture or genetic transformation. The latter is potentially the most effective, rapid and practical way to introduce new agronomic traits into Dendrobium. Most (69.4 %) Dendrobium genetic transformation studies have used particle bombardment (biolistics) while 64 % have employed some form of Agrobacterium-mediated transformation. A singe study has explored ovary injection, but no studies exist on floral dip transformation. While most of these studies have involved the use of selector or reporter genes, there are now a handful of studies that have introduced genes for horticulturally important traits.
Tárgyszavak:Agrártudományok Élelmiszertudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Megjelenés:Plant Cell Reports. - 35 : 3 (2016), p. 483-504. -
További szerzők:Dobránszki Judit (1967-) (biológus) Cardoso, Jean Carlos Chandler, Stephen F. Zeng, Song-Jun (agrár)
Internet cím:DOI
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5.

001-es BibID:BIBFORM088930
Első szerző:Teixeira da Silva, Jaime A.
Cím:Tissue disinfection for preparation of Dendrobium in vitro culture / Jaime A. Teixeira da Silva, Budi Winarto, Judit Dobránszki, Jean Carlos Cardoso, Songjun Zeng
Dátum:2016
ISSN:0867-1761 2083-5965
Megjegyzések:Establishing an aseptic in vitro culture for Dendrobium, or for any plant in fact, is the most important step towards developing an effective in vitro tissue culture including micropropagation protocol. Success in initial aseptic culture will contribute to the successful production of in vitro cultures that may involve the initiation or formation of callus and/or protocorm-like bodies (PLBs), the induction, regeneration or multiplication of shoots, and the preparation and proliferation of plantlets suitable for acclimatization. The initiation of an aseptic culture is closely related to the appropriate selection of an explant source and its preparation, including its (in vivo) pre-treatment if necessary and subsequent disinfection procedures. Care in the choice of explant and the application of an appropriate disinfection protocol can successfully reduce, or eliminate, contamination in in vitro cultures while reducing the negative impact on plant tissues and plantlet regeneration. Many unique aseptic culture procedures for Dendrobium genus have been reported in the literature, very often specific to particular tissues or genotypes, and this review not only highlights the details of such protocols, but also provides practical advice for novice - and even seasoned - orchidologists who wish to research Dendrobium in vitro, although it is cautioned that there is currently no universal aseptic culture procedure that can be applied to all conditions, all explants or all genotypes.
Tárgyszavak:Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Megjelenés:Folia Horticulturae. - 28 : 1 (2016), p. 57-75. -
További szerzők:Winarto, Budi (agrár) Dobránszki Judit (1967-) (biológus) Cardoso, Jean Carlos Zeng, Song-Jun (agrár)
Internet cím:DOI
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