نتایج جستجو برای: callus culture

تعداد نتایج: 281509  

2016
Z. Tofighi N. Ghazi saeidi A. Hadjiakhoondi N. Yassa

Background and objectives: The seeds of Securigera securidaca (L.) Deg. & Dorf. (Fabaceae) are used as anti-diabetic remedy in Iranian folk medicine. The aim of the present study was to establish the callus and suspension culture of S. securidaca seeds for the first time and to determine the major secondary metabolites including cardiac glycosides and total phenols. Methods: The culture of S. s...

2016
Jaafar Juju Nakasha Uma Rani Sinniah Nurashikin Kemat Kumara Swamy Mallappa

BACKGROUND Chlorophytum borivilianum is an industrially valued medicinal crop. Propagation through seeds is not feasible because of low germination percentage and long dormancy period. Therefore, callus culture and plant regeneration can be an alternative to improve this crop production. Also, callus can serve as an alternative source of bioactive compounds. OBJECTIVE To evaluate the effect o...

Journal: :Genetics 1980
M C Mok D W Mok D J Armstrong A Rabakoarihanta S G Kim

Intra- and interspecific differences in cytokinin requirement were detected in callus cultures of Phaseolus vulgaris L. and P. lunatus L. Of the ten genotypes of P. vulgaris tested in the present study, one required cytokinin for callus growth, six exhibited some to moderate growth on cytokinin-free medium, and the remaining three grew uniformly in the absence of cytokinin. In contrast, six of ...

Journal: :Plant physiology 1992
M Esaka H Hayakawa M Hashimoto N Matsubara

Winged bean callus was adapted to increasing concentrations of NaCl by sequential transfer to medium with 0, 0.5, 1.0, 1.5, and 2.0% (w/v) NaCl. When the culture media, after cell suspension cultures of callus adapted to 0.5 (SA-0.5), 1.0 (SA-1.0), 1.5 (SA-1.5), or 2.0% (w/v) NaCl (SA-2.0), were analyzed by sodium dodecylsulfate-polyacrylamide gel electrophoresis, six specific or enhanced polyp...

Journal: :Cellular & molecular biology letters 2004
Malahat A Birsin Murat Ozgen

Immature, mature and endosperm-supported mature embryos of six triticale cultivars (BDMT-98-8S, Melez-2001, Mikham-2002, Presto, Tacettin Bey and Tatlicak-97) were cultured in vitro to compare the levels of callus induction and plant regeneration. Immature embryos, 15-18 days after anthesis, were aseptically excised and placed with the scutellum upwards on a callus culture medium consisting of ...

2013
Jin-Ling Yuan Jin-Jun Yue Xiao-Li Wu Xiao-Ping Gu

Moso bamboo [Phyllostachys heterocycla var. pubescens (Mazel ex J. Houz.) Ohwi] is one of the most important forest crops in China and the rest of Asia. Although many sympodial bamboo tissue culture protocols have been established, there is no protocol available for plantlet regeneration as indicated by callus induction for monopodial bamboos, such as Moso bamboo. In the present report, embryog...

Behzad Kaviani, Danesh Kazemi

Plant growth regulators (PGRs) have an important role in callus induction and organogenesis of plant explants cultured in vitro conditions. Callus has a proper potential for plant regeneration through indirect organogenesis and embryogenesis as well suspension culture, genetic transformation and production of secondary metabolites. In current experiment, leaf explants of Petunia × hybrida F1 we...

2005
Rui Ma Seppo Pulli

Rye is an important crop in Northern and Eastern Europe. However, the application of various biotechnologies in rye breeding has been limited duo to its recalcitrant in tissue culture. In order to improve somatic tissue effi ciency, key factors affecting somatic embryogenesis and reproducible green plant regeneration of rye (Secale cereale L.) were evaluated and optimised. In this study, a tota...

بابائیان جلودار, نادعلی, حسینی, سیدزهرا, رحیمیان, حشمت اله, رنجبر, غلامعلی,

One of the main objectives of citrus rootstock breeding is plants free of disease. In order to evaluate the effect of growth regulators on callus induction and regeneration of citrus rootstock, five citrus rootstocks were selected. Seeds were germinated after one month. Culture were incubated at 25 ° C and exposed to 16 hours per day. Explants were cultured on EME medium. Callus induction under...

Journal: :research journal of pharmacognosy 0
z. tofighi department of pharmacognosy, faculty of pharmacy and medicinal plants research center, tehran university of medical sciences, tehran, iran. ghazi saeidi department of pharmacognosy, faculty of pharmacy and medicinal plants research center, tehran university of medical sciences, tehran, iran. a. hadjiakhoondi department of pharmacognosy, faculty of pharmacy and medicinal plants research center, tehran university of medical sciences, tehran, iran n. yassa department of pharmacognosy, faculty of pharmacy and medicinal plants research center, tehran university of medical sciences, tehran, iran

background and objectives: the seeds of securigera securidaca (l.) deg. & dorf. (fabaceae) are used as anti-diabetic remedy in iranian folk medicine. the aim of the present study was to establish the callus and suspension culture of s. securidaca seeds for the first time and to determine the major secondary metabolites including cardiac glycosides and total phenols. methods: the culture of s. s...

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