Activity of Ligninolytic Enzymes During Growth and Fruiting Body Development of White Rot Fungi Omphalina sp and Pleurotus Ostreatus  

Oleh:

Widiastuti, Happy ; Suharyanto ; Wulaningtyas, Agustina ; Sutamihardja

Jenis: Article from Journal - ilmiah nasional - terakreditasi DIKTI
Dalam koleksi: Hayati Journal of Biosciences vol. 15 no. 4 (Dec. 2008), page 140-144.
Topik: Ligninolytic Enzyme Activity; Omphalina sp; P Ostreatus; Empty Fruit Bunches of Oil Palm
Fulltext: 9.pdf (97.21KB)

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Perpustakaan Pusat (Semanggi) Nomor Panggil: HH13.10 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

The activity of ligninolytic enzymes of white rot fungi Omphalina sp. and Pleurotus ostreatus was observed during somatic and fruiting body development in solid substrate fermentation using empty fruit bunches of oil palm (EFB). The enzyme activity was dominated by laccase both of Omphalina sp. and P. ostreatus. The laccase activity on somatic phase (mycelium growth) was higher compared to that of fruiting body formation phase. The laccase activity of Omphalina sp. was slightly higher compared to P. ostreatus. The peak activity of manganese peroxidase (MnP) for Omphalina sp. was observed two weeks after inoculation, while P. ostreatus. had two peaks i.e. two and four weeks after inoculation. The MnP activity of P. ostreatus was higher compared to Omphalina sp. Omphalina sp. growth in EFB did not secrete lignin peroxidase (LiP) in contrast to P. ostreatus. The peak activity of P. ostreatus was reached two and four weeks after inoculation. The MNP and LiP activities declined during development of fruiting bodies while laccase increased in both Omphalina sp. and P. ostreatus. It seems that the activities of ligninolytic enzyme profile were regulated in line with developmental phase of growth both in Omphalina sp. and P. ostreatus.

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