ArticleBMC plant biology2024
Establishment of embryogenic Pinus thunbergii Parl. suspension cultures: growth parameters, dynamic analysis, and plant regenerative capacities.
Article in BMC plant biology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundPinus thunbergii is an economically important conifer species that plays a fundamental role in forest ecosystems. However, the population has declined dramatically in recent years as a result of the pine wilt disease outbreak. Thus, developing pine wilt-resistant P. thunbergii is an effective strategy for combating this epidemic.
resultsThe somatic embryogenesis of nematode-resistant P. thunbergii was previously reported by our group. The current study looked into the potential commercialization of suspension cultures as a means of large-scale production of nematode-resistant P. thunbergii seedlings. According to our findings, P. thunbergii suspension cultures were suitable for an initial inoculum of embryogenic tissue (2 g) and a subculture inoculum (6.7% (v/v)). Suspension cultures were cultivated for 8-10 days in a 30 mL liquid medium (Gupta and Durzan medium, DCR medium) to facilitate their maturation. The suspension cultures produced a large number of high-quality somatic embryos, which were then used to regenerate the plants and move them into the field. A more accurate assessment of the quality of suspension cultures for somatic embryogenesis could come from the suspension's dynamics. The results showed that the medium's phosphate, ammonium, nitrate, and carbohydrates were quickly eaten from day 0 to day 10. In terms of the absorption of nitrogen sources, the ammonium (NH
conclusionsThis study presents an approach for selecting appropriate suspension cultures for efficient somatic maturation of P. thunbergii that can also be applied to other conifers. Furthermore, it is possible to commercialize nematode-resistant P. thunbergii seedlings using bioreactors, according to the suspension culture system we describe. To the best of our knowledge, this is the first work to describe a P. thunbergii suspension culture.
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