外源多胺对栓皮栎次生体细胞胚胎发生的影响。

IF 4.2 4区 生物学 Q2 BIOTECHNOLOGY & APPLIED MICROBIOLOGY
Bioengineered Pub Date : 2023-12-01 Epub Date: 2023-11-29 DOI:10.1080/21655979.2023.2288354
Naouar Ben Ali, Rajae Benkaddour, Safaa Rahmouni, Ouafaa Hamdoun, Ibtissam Boussaoudi, Mustapha Hassoun, Latifa Azaroual, Alain Badoc, Patrick Martin, Ahmed Lamarti
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引用次数: 0

摘要

Quercus subber L.是地中海盆地的主要木本树种。成体材料通过初生体细胞胚胎的离体再生是一个众所周知的过程,但利用次生体细胞胚胎进行植物再生仍然是一个非常稀少的研究过程。本研究的主要目的是利用次生体细胞胚胎发生过程探索栓皮栎的再生潜力。在本工作中,我们主要报道了多胺效应。所使用的外植体包括初生成熟胚,由摩洛哥栎亚种的表皮芽再生而来。将三种不同的多胺添加到由N30K、30 g/l葡萄糖和7 g/l琼脂组成的基础培养基中。将腐胺、精胺和亚精胺三种多胺分别以0.1、0.2、0.3、0.4、0.5和0.6 mg/l的浓度加入基础培养基。8周后检测外植体。形态学分析表明,亚精胺浓度为0.4 mg/l的培养基对继发胚胎的培养效果最好,与对照差异极显著(p < 0.05)
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Influence of exogenous polyamines on the secondary somatic embryogenesis of cork oak (Quercus suber L.).

Quercus suber L. is the main woody tree species in the Mediterranean basin. The in vitro regeneration from adult material, through primary somatic embryogenesis, is a well-known process, but the use of secondary somatic embryos for plant regeneration remains a very sparsely studied process. The main objective of this work is to explore the cork oak regeneration potential by using the secondary somatic embryogenesis process. Mainly, in this work, we report the polyamine effect. Explants used consisted on primary mature embryos, derived from leaves rejuvenated by epicormic shoot of the Moroccan Quercus suber. Three different polyamines were added to the basal medium, which was composed by macronutrients of N30K, 30 g/l glucose, and 7 g/l agar. Three polyamines, Putrescine, Spermine, and Spermidine, were added to the basal medium at 0.1, 0.2, 0.3, 0.4, 0.5, and 0.6 mg/l. Explants were tested after 8 weeks. Morphological analysis showed that the medium with 0.4 mg/l Spermidine provided the best result for secondary embryos, which corresponds to a very significant (p < 0.05) increase of 375%. The number of secondary embryos directly formed was 2.70 ± 0.51. Similarly, the optimum concentrations for high number of clusters (0.50 ± 0.11) and embryo clusters (1.43 ± 0.35) were increased by 145% and 158%. The addition of the polyamine also acted on the quality of embryos formed. A very significant (p < 0.05) increase in the size of secondary embryos was observed compared to the medium without polyamines. Spermidine showed the greatest increase (about 38%).

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来源期刊
Bioengineered
Bioengineered BIOTECHNOLOGY & APPLIED MICROBIOLOGY-
CiteScore
8.20
自引率
28.60%
发文量
1114
审稿时长
17 weeks
期刊介绍: Bioengineered provides a platform for publishing high quality research on any aspect of genetic engineering which involves the generation of recombinant strains (both prokaryote and eukaryote) for beneficial applications in food, medicine, industry, environment and bio-defense.
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