نتایج جستجو برای: mature embryo
تعداد نتایج: 133192 فیلتر نتایج به سال:
Somatic embryos and rooted plantlets have been regenerated from light-initiated embryogenic callus derived from mature embryos of Picea abies stored seeds. Under a 16 hour photoperiod, mature zygotic embryos were cultured on a modified half-strength Murashige-Skoog medium without NH4NO3 and supplemented with 5 mM glutamine, 4.5 pM N6-benzyladenine (BA) and 10.7 PM naphthalene-acetic acid (NAA) ...
Among other functions, the Notch signaling prevents the differentiation [4] of muscle progenitor cells into mature muscle in animals. The Notch signaling pathway is a pathway in animals by which two adjacent cells within an organism use a protein named Notch to mechanically interact with each other. Myogenesis is the formation of muscle that occurs throughout an animal's development, from embry...
Among other functions, the Notch signaling prevents the differentiation [4] of muscle progenitor cells into mature muscle in animals. The Notch signaling pathway is a pathway in animals by which two adjacent cells within an organism use a protein named Notch to mechanically interact with each other. Myogenesis is the formation of muscle that occurs throughout an animal's development, from embry...
Abstract Several nations across the globe depend profoundly on rice as main food source. research works have been undertaken to improve yield and breeding, specifically concerning plant tissue culture. This paper aims contrast impact of several growth regulator levels callus induction based mature embryo explants. Over a four-week duration, embryos (Amber variant) were planted produce calluses ...
Among other functions, the Notch signaling prevents the differentiation [4] of muscle progenitor cells into mature muscle in animals. The Notch signaling pathway is a pathway in animals by which two adjacent cells within an organism use a protein named Notch to mechanically interact with each other. Myogenesis is the formation of muscle that occurs throughout an animal's development, from embry...
stem cell therapy can be useful for spinal cord injury (sci). induced pluripotent stem cells (ipscs) are generated by reprogramming mature, fully differentiated cells into a pluripotent state. the ability to generate pluripotent cells from adult somatic cells without the need for an embryo was a major development in stem cell biology. ipscs were established from mouse fibroblasts and demonstrat...
Mitogen-activated protein kinase (MAPKs) cascades are signal transduction modules highly conserved in all eukaryotes regulating various aspects of plant biology, including stress responses and developmental programmes. In this study, we characterized the role of MAPK 6 (MPK6) in Arabidopsis embryo development and in post-embryonic root system architecture. We found that the mpk6 mutation caused...
The gametogenesis and the embryogeny of Sesamum indicum L. were reported by Nohara (1934). He observed the embryo sac formation but did not completed the study up to the stage of the embryo. However,. Johansen (1950) states that the embryogeny of the Pedaliaceae probably follows the Onagrad type, judging from the inadequate illustrations accompanied by the rather meager accounts of the embryoge...
Objective: n present study effect of various factors including sucrose, agar, PEG, AgNO3, activated charcoal on somatic embryo induction and its subsequent regeneration was investigated using varieties Dom siah and Nemat. Methods: 330 explant (Mature embryos) of each varieties were cultured, 33/plate (100 x 15 mm), on callus induction Murashige and Skoog (MS) medium (Murashige and Sk...
Iron is an essential micronutrient for plants. Little is know about how iron is loaded in embryo during seed development. In this article we used Perls/DAB staining in order to reveal iron localization at the cellular and subcellular levels in different Brassicaceae seed species. In dry seeds of Brassica napus, Nasturtium officinale, Lepidium sativum, Camelina sativa, and Brassica oleracea iron...
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