Antifungal activity and enhancement of plant growth by Bacillus cereus grown on shellfish chitin wastes

Chang, Wei‐Der; Chen, Yu-Chung; Jao, Chia-Ling

doi:10.1016/j.biortech.2006.05.005

Cited by 168 publications

(97 citation statements)

References 31 publications

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“…Annually India produces more than 100,000 tonnes of shrimp processing waste (Mathew and Nair 2006), of which only an insignificant amount is utilized for the extraction of chitin and the rest is discarded. Effective utilization of such a waste has an important bearing both from the point of clean environment and also increasing the economic value of this marine bio-waste (Suresh and Chandrasekaran 1998;Chang et al 2007). …”

Section: Introductionmentioning

confidence: 99%

Solid state fermentation production of chitin deacetylase by Colletotrichum lindemuthianum ATCC 56676 using different substrates

2011

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Production of extracellular chitin deacetylase by Colletotrichum lindemuthianum ATCC 56676 under solid substrate fermentation was studied. The suitability of shrimp shell chitin waste (SSCW) and commercial wheat bran (CWB) was evaluated for maximal enzyme production. CWB medium (pH 6.4±0.2) supplemented with chitosan favoured maximal chitin deacetylase yield of 460.4±14.7 unit/g initial dry substrate (U/g IDS) at 96 h as compared to maximal yield of 392.0±6.4 U/g IDS at 192 h in SSCW medium (pH 8.7±0.2) at 25°C incubation temperature and 60% (w/w) initial moisture content of medium. Along with chitin deacetylase, C. lindemuthianum ATCC 56676 produced maximum endo-chitinase (0.28± 0.03 U/g IDS at 144 h) and β-N-acetylhexosaminidase (0.79±0.009 U/g IDS at 192 h) in CWB medium and 0.49± 0.05 U/g IDS of endo-chitinase at 264 h and 0.38±0.04 U/g IDS of β-N-acetylhexosaminidase at 96 h of incubation in SSCW medium. SEM studies indicated the difference in the morphology of mycelia and hyphae of C. lindemuthianum ATCC 56676 when grown on different solid substrates. Production of chitin deacetylase by SSF is being reported for the first time.

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Section: Introductionmentioning

confidence: 99%

Solid state fermentation production of chitin deacetylase by Colletotrichum lindemuthianum ATCC 56676 using different substrates

2011

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“…As for the inhibition on F. oxysporum BCRC32121, the inhibitive effect of TKU010 culture supernatants was similar to that of A. fumigatus BCRC30099. Similarly it has also been observed that Bacillus cereus QQ308 culture supernatant inhibited spore germination and germ tube elongation of F. oxysporum, F. solani, and P. ultimum (Chang et al, 2007). About the antifungal materials, besides bacteriocins, it is conjectured that antifungal peptides might be hydrolyzed by TKU010 protease and present in the culture supernatant.…”

Section: Enhancement Of Growthmentioning

confidence: 89%

Conversion of squid pen by a novel strain Lactobacillus paracasei subsp. paracasei TKU010, and its application in antimicrobial and antioxidants activity

Liang

Huang

et al. 2010

J. Gen. Appl. Microbiol.

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TKU010 was isolated from infant vomited milk and identifi ed as Lactobacillus paracasei subsp. paracasei. TKU010 had desirable properties concerning its ability to withstand adverse conditions in the gastrointestinal tract. The hydrolysate of casein enhanced the growth of TKU010 most obviously (17.20 18.25 OD 660 ), followed by the hydrolysate of SPP (16.00 15.06 OD 660 ). Incubating with SPP, both the culture supernatant of TKU010 on the fi rst day and the fourth day showed inhibitory activities on E. coli BCRC13086, F. oxysporum BCRC32121 and A. fumigatus BCRC30099. TKU010 culture supernatant (1% SPP) incubated for 3 days has high antioxidant activity; the DPPH scavenging ability was 75% per ml. Thus, TKU010 could be preferably used as a starter to produce fermented milk with possibly interesting organoleptic properties. Besides, we have shown that squid pen wastes can be utilized to generate a high value-added product, and have revealed its hidden potential in the production of biocontrol agents and functional foods.

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“…Chitinase is one of the enzymes that is in demand by, and has been applied in, many biotechnology industries, shellfish waste management (Wang et al, 2006), production of single cell proteins and especially, the production of chitooligosaccharides that are used as a plant growth stimulator (Limpanavech et al, 2008;Kananont et al, 2010;Pornpienpakdee et al, 2010) and bio-control product (Chang et al, 2007). Chitin is used as the carbon source and inducer for chitinase production.…”

Section: Introductionmentioning

confidence: 99%

Improving the Rice Performance by Fermented Chitin Waste

Kananont¹,

Pichyangkura²,

Kositsup³

et al. 2015

IJAB

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Fermented chitin waste (FCW), a by-product obtained from chitinase production using chitin fermentation, was evaluated for its properties for use as soil supplement based plant growth stimulator. Rice growth, yield and photosynthesis parameters were investigated following the growth of rice plants in organic fertilizer supplemented soil with the addition of 0.25, 0.50 or 1.00% (w/w) FCW in comparison with chemical fertilizer application. The application of FCW resulted in an increased photosynthetic pigment concentration and enhanced photosynthesis rate, leading to a significantly higher tiller number, shoot biomass and grain yield. At 30 d after transplantation (DAT), the rice plants grown with 0.5% (w/w) FCW-supplemented soil showed the highest level of new leaf photosynthetic pigments and photosynthesis rate, but they were not significantly different from the plants grown in soil supplemented with 1.0% (w/w) FCW. However, at 60 DAT, the plants grown under 1.0% (w/w) FCW had a significantly higher photosynthesis rate than plants grown in 0.5% (w/w) FCW supplemented soil. The addition of 0.5 or 1.0% (w/w) FCW increased the grain yield 2.7 and 4.3 folds, respectively, compared to that with chemical fertilizer application. The addition of FCW significantly increased the soil pH and organic matter, nitrogen, phosphorus and potassium contents. Therefore, the FCW from a chitin fermenter can be used as a plant growth stimulator for sustainable rice production.

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Antifungal activity and enhancement of plant growth by Bacillus cereus grown on shellfish chitin wastes

Cited by 168 publications

References 31 publications

Solid state fermentation production of chitin deacetylase by Colletotrichum lindemuthianum ATCC 56676 using different substrates

Solid state fermentation production of chitin deacetylase by Colletotrichum lindemuthianum ATCC 56676 using different substrates

Conversion of squid pen by a novel strain Lactobacillus paracasei subsp. paracasei TKU010, and its application in antimicrobial and antioxidants activity

Improving the Rice Performance by Fermented Chitin Waste

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