Results 131 to 140 of about 40,019 (170)

Embryogenic Callus Induction and Plant Regeneration Media for Bentgrasses and Annual Bluegrass

In Vitro Cellular and Developmental Biology - Plant, 2002
Embryogenic callus induction and plant regeneration systems have long been established for creeping bentgrass (Agrostis palustris Huds.), but little research has been reported on optimal medium for embryogenic callus induction and plant regeneration in ...
Michael Sullivan, W., Wang, Yuexia, Knapp, Jane E., Chandlee, Joel M., Ruemmele, Bridget A., Kausch, Albert P.   +5 more
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Catabolism of putrescine and spermidine in embryogenic and non-embryogenic callus lines of Picea abies

Physiologia Plantarum, 1994
The oxidation of putrescine and spermidine were studied in embryogenic and nonembryogenic cell cultures ofPicea abies(L.) Karst., with [1,4‐14C]‐putrescine and [1,4‐14C]‐spermidine as substrates. Activities of putrescine and spermidine oxidation varied at every developmental stage in both cultures.
Arja Santanen, Liisa Kaarina Simola
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Development and Characterization of Friable, Embryogenic Oat Callus

Crop Science, 1989
Friable, embryogenic (FE) callus cultures are desired for genetic manipulations at the cellular level. The goal of this research was to develop and characterize such cultures for oat (Avena spp.). Nonfriable (NF) oat callus derived from immature embryos was plated on a modified MS medium containing 60 g L−1 sucrose and no hormones.
P. Bregitzer, D. A. Somers, H. W. Rines
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Long-term culture of embryogenic sugarcane callus

Plant Cell, Tissue and Organ Culture, 1993
Embryogenic calluses of sugarcane capable of regenerating green plants after long-term culture were sought. The largest quantities of embryogenic calluses were produced on Murashige & Skoog medium, but cultures maintained on Chu N6 medium remained embryogenic and totipotent longer. Both media contained 4.5 μM 2,4-dichlorophenoxyacetic acid (2,4-d). The
Maureen M. M. Fitch, Paul H. Moore
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Screening of salt tolerance indexes in embryogenic and non-embryogenic callus of grape

Advances in Engineering Technology Research
Salt stress seriously affects grape yield and quality and has become one of the major abiotic stresses that constrain the development of the grape industry. In the actual research process, it is difficult and time costing to obtain transgenic grape seedlings through genetic transformation system.
Hongliang Zhou, Xiaoxiao Min, Jinshuo Hou, Ruonan Chen, Ning Han, Zhen Yang   +5 more
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Cryopreservation of embryogenic callus

2008
This book was developed to aid in the use of cryopreservation techniques throughout the world for the conservation of all forms of plant biodiversity. It is hoped that this volume will provide the step-by-step instructions needed to transfer cryopreservation technology to general plant biology laboratories that might make use of these protocols to ...
Maurizio Lambardi, E Aylin Ozudogru, Carla Benelli   +2 more
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The fine structure of the embryogenic callus of Ranunculus sceleratus l

Journal of Cell Science, 1972
ABSTRACT Sections of callus of Ranunculus sceleratus reveal its organization into cellular aggregates, the superficial cells of which are highly cytoplasmic and the inner cells of which are larger, have less-dense cytoplasm and are more highly vacuolated. Expansion and ultimate death of some of the internal cells leads to cell separation
E, Thomas, R N, Konar, H E, Street
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Influence of nitrogen and phosphorus on induction embryogenic callus of sorghum

Plant Cell, Tissue and Organ Culture, 2000
Fragments of young panicles and immature embryos of different cultivars of grain sorghum were cultured on modified MS and N6 media supplemented with L-asparagine (6.7 mM), L-proline (17.4 mM) and different concentrations of NO 3 - , NH 4 + and PO
Lev A. Elkonin, Natalia V. Pakhomova
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Thidiazuron stimulates shoot regeneration of sugarcane embryogenic callus

In Vitro Cellular & Developmental Biology - Plant, 2000
Efficient shoot regeneration of sugarcane (Saccharum spp. hybrid cv. CP84-1198) from embryogenic callus cultures has been obtained using thidiazuron (TDZ). Callus was placed on modified Murashige and Skoog (MS) medium containing 2.3 μM 2,4-dichlorophenoxyacetic acid (2,4-D), or 9.3 μM kinetin and 22.3 μM naphthaleneacetic acid (NAA) and compared with ...
M. Gallo-Meagher, R. G. English, A. Abouzid   +2 more
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Bioreactor Steroid Production and Analysis of Date Palm Embryogenic Callus

2017
Several compounds and families of compounds of date palm secondary metabolites have been investigated. The analysis of date palm tissue has shown the abundance of secondary metabolites including phytosterols, e.g., steroids, an important group of pharmaceutical compounds.
Sherif, El-Sharabasy, Maiada, El-Dawayati   +1 more
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