منابع مشابه
Identification of Differentially Expressed Genes During Embryogenesis in Maritime Pine (Pinus pinaster)
Differential display of Poly (A+) RNA isolated from zygotic embryos of maritime pine (Pinus pinaster) in 9 stages of development was used to isolate several cDNAs of differentially expressed genes during embryo development. Many cDNA sequences share low similarities to any known DNA or protein sequences but 5 transcripts are predicted to encode homologues of DNA-binding proteins, GTP-binding pr...
متن کاملMolecular characterization of pine embryogenesis: pursuing the role of a putative non-specific lipid-transfer protein
Background Embryogenesis in Gymnosperms presents unique characteristics when compared to Angiosperm embryogenesis. However, little is known about the molecular regulation of embryo development in Gymnosperms because most studies have been conducted in Angiosperm model species. Due to the economic relevance of some forest species included in this group of plants, namely pines, efforts have been ...
متن کاملDevelopmental and genetic variation in nuclear microsatellite stability during somatic embryogenesis in pine.
Genotypic instability is commonly observed in plants derived from tissue culture and is at least partly due to in vitro-induced stress. In this work, the issues of whether genetic instability induced by in vitro stress varies among families and if genetic instability influences the adaptation to in vitro conditions and embryo development have been addressed. By comparing the stability of four v...
متن کاملCloning and expression of embryogenesis-regulating genes in Araucaria angustifolia (Bert.) O. Kuntze (Brazilian Pine)
Angiosperm and gymnosperm plants evolved from a common ancestor about 300 million years ago. Apart from morphological and structural differences in embryogenesis and seed origin, a set of embryogenesis-regulating genes and the molecular mechanisms involved in embryo development seem to have been conserved alike in both taxa. Few studies have covered molecular aspects of embryogenesis in the Bra...
متن کاملLoblolly Pine Somatic Embryogenesis: Development of a Maturation Medium and Resulting Embryo Quality
Clonal production of loblolly pine (Pinus taeda L.) through somatic embryogenesis has great potential to meet the increasing industrial demands for highquality uniform raw materials. A major barrier to the commercialization of this technology is the low quality of resulting embryos. Twenty-five newly initiated loblolly pine genotypes were followed through the process of liquid culture establish...
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ژورنال
عنوان ژورنال: Plant Signaling & Behavior
سال: 2009
ISSN: 1559-2324
DOI: 10.4161/psb.4.10.9535