Improving Biological Efficiency of Pleurotus Strain through Protoplast Fusion between P. ostreatus var. florida and P. djamor var. roseus

다국어 초록 (Multilingual Abstract)

Two hybrid strains were obtained through protoplasmic fusion between Pleurotus ostreatus var. florida and Pleurotus djamor var. roseus. The hybrid strains showed intermediate morphology (colony morphology, cultural characteristics, and fruiting body) to parents. The size and RFLP pattern of two recombinant hybrids were similar, and differed from the parental Pleurotus species. The internal transcribed spacer sequence data revealed that hybrids showed close clad with variety of Pleurotus spp. The hybrid strains showed maximum biological efficiency (138.97%) than the parental strains (110.48-119.19%). In addition, maximum proximate composition, energy values (268.28 kcal), vitamins (thiamine, riboflavin, pyridoxine, folic acid, and calcium pentothenate) and mineral contents (potassium, phosphorus, iron, calcium, and zinc) were recorded in hybrid strain. The hybrid Pleurotus sp. HS would be an important resource of food for mankind, utilize variety of agricultural waste, high amount of nutritional properties and essential food for human health.

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