Induction of Agarwood Formation by Lignocellulolytic Bacteria

doi:10.2991/ASSEHR.K.210421.049

Paper

Induction of Agarwood Formation by Lignocellulolytic Bacteria

Published Apr 22, 2021 · P. D. Fitriasari, E. Soetarto, I. K. Surata

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Abstract

Agarwood is a hard-textured resin, has a scent of fragrant with blackish-brown color, and accumulated on the wood of the agarwood-producing tree. Gyrinops versteegii (Gilg.) Domke is one of the agarwood-producing trees, endemic in Lombok Island, West Nusa Tenggara. The resins were formed as a plant response to microbial infection. The research aimed to investigate the activity of bacterial isolates able to induce resin-formation. The bacteria were isolated from the stem of G. versteegii using mineral medium containing wood extracts as a carbon source. The selection of bacterial isolates was carried out based on their capability to grow on selective media containing different carbon sources (i.e. CMC, xylan) to determine their enzyme properties. Bacterial isolates were able to grow with high activities and form a zone of degradation that was chosen as potential bacterial isolates to in planta assay. Five bacterial isolates (strain BPSA2a, BPSA2b, BPSB1, BPSB10, and BGG2) have potential as lignocellulolytic bacteria. In planta assay showed that after 30 days of injection, infection occurred with the decay of the surface of the bark, blackish-brown discoloration on the inside, and widen with varying color intensities, fragrant scent occurred after the wood was burned. Inoculated of potential bacterial isolates caused resins production with the number of extract yield of agarwood, respectively, were 6,78 %; 6,67 %; 5,30 %; 4,57 %, and 4,50 %. Dihydroagarofuran and β-agarofuran are the most compounds in these

Study Snapshot

Lignocellulolytic bacteria can induce agarwood formation in Gyrinops versteegii trees, leading to the production of fragrant resins with varying color intensities and scent.

PopulationOlder adults (50-71 years)

Sample size24

MethodsObservational

OutcomesBody Mass Index projections

ResultsSocial networks mitigate obesity in older groups.

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Paper

Induction of Agarwood Formation by Lignocellulolytic Bacteria

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References

Citations

Design, Development and Performance Evaluation of Pneumatic Type Agarwood Inoculum Injector (PAII)

The Pneumatic Type Agarwood Inoculum Injector (PAII) significantly improves inoculation efficiency and reduces inoculum wastage in commercial agarwood plantations compared to existing caulking guns.

Recent Advancement in Agarwood Induction Technology: A Comprehensive Review for the Transformation of Artificial Agar Resin Induction Methods

Recent advancements in artificial agarwood induction technology have significantly increased production and quality, meeting the growing global demand for this valuable product.

A review on biological induction of agarwood in Aquilaria, with special reference to India

Biological induction of agarwood in Aquilaria species, particularly with Fusarium endophytes, can make commercial cultivation viable.

The induction techniques of resinous agarwood formation: A review

Advances in artificial agarwood induction technology, including mechanical, bio-inoculants, chemical inducers, and in vitro plant tissue culture, can efficiently produce high-quality resin in young plantation trees, equivalent to wild agarwood.