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Effective Production of Chitinase and Chitosanase by Streptomyces griseus HUT 6037 Using Colloidal Chitin and Various Degrees of Deacetylation of Chitosan
Jung. Ho-Sup, Son. Jeong-Woo, Ji. Hong-Seok, Kim. Kwang 한국생물공학회 Biotechnology and bioprocess engineering 6 Pages
한국생물공학회 Biotechnology and bioprocess engineering 1999, Vol.4 No.1 26-31 (6 pages)
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Colloidal Chitin을 자화하는 해양세균으로부터 적색색소의 생산
류병호, 김민정 한국미생물생명공학회 산업미생물학회지 6 Pages
한국미생물생명공학회 산업미생물학회지 2000, Vol.28 No.5 264-269 (6 pages)
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새우젓으로부터 혈전과 chitin 분해능을 지닌 균주 Bacillus licheniformis SC082의 분리 및 특성
조은경, 정유정, 갈상완, 최영주, Cho. Eun-Kyung, Jung. Yu-Jung, Gal. Sang-Wan, Choi. Young-Ju 한국생명과학회 생명과학회지 8 Pages
한국생명과학회 생명과학회지 2009, Vol.19 No.10 1424-1431 (8 pages)
전통발효식품인 새우젓으로부터 혈전과 chitin 분해력이 우수한 균을 분리하였으며 16S rRNA 염기서열 분석으로 B. licheniformis와 가장 유사한 균주임을 확인하였다. 이 균주를 B. licheniformis SC082로 명명하였고, 최적 생육조건은 $37^{circ}C$, pH 7.0, 염 농도 6%로 확인되었다. 이 균주의 기질특이성을 조사한 결과, 우수한 혈전분해력을 나타냈으며 1% 농도의 colloidal chitin의 첨가에 의하여 chitinase 활성이 증가됨을 관찰할 수 있었다. 또한 지질 분해능은 없었고 약한 skim milk 분해력을 가지고 있었다. SDS-PAGE와... -
전통발효식품으로부터 Chitin 분해 미생물의 분리 및 특성 규명
고보경, 최인순, 이상현, 임채오, 이성호, 갈상완, 최영주 한국생명과학회 생명과학회지 8 Pages
한국생명과학회 생명과학회지 2004, Vol.14 No.3 501-508 (8 pages)
CJ-3 균주는 16S rDNA 염기서열분석에 의하여 Bacillus atrophaeus로 동정되었으며 분리된 균주의 분자량은 대략 31.0 kDa으로 colloidal chitin(0.5, 1.0, 2.0%)의 첨가에 의하여 chitinase 활성이 현저히 증가되었다 B. atrophaeus CJ-3에 의해서 유도되는 갈변반응물 200${mu}ell$ 첨가로 LPS에 의하여 유도되는 nitric oxide (NO) 활성을 45%까지 감소시켰다. MTT 분석을 통한 세포활성에서도 갈변반응물은 LPS에 의하여 세포활성을 정상수준으로 회복하였다. CJ-3. 균주의 DPPH 전자공여능법에 의한 항산화력은 갈변반응에 의하여 약... -
Overcoming Encouragement of Dragon Fruit Plant (Hylocereus undatus) against Stem Brown Spot Disease Caused by Neoscytalidium dimidiatum Using Bacillus subtilis Combined with Sodium Bicarbonate
Sanan Ratanaprom, Korakot Nakkanong, Charassri Nualsri, Palakrit Jiwanit, Thanyakorn Rongsawat, Natthakorn Woraathakorn 한국식물병리학회 The Plant Pathology Journal 10 Pages
한국식물병리학회 The Plant Pathology Journal 2021, 37권 3호 1 205-214 (10 pages)
The use of the supernatant from a Bacillus subtilis culture mixed with sodium bicarbonate was explored as a means of controlling stem brown spot disease in dragon fruit plants. In in vitro experiments, the B. subtilis supernatant used with sodium bicarbonate showed a strong inhibition effect on the growth of the fungus, Neoscytalidium dimidiatum, the agent causing stem brown spot disease and was notably effective in preventing fungal invasion of dragon fruit plant. This combination not only... -
Enhanced Tolerance of Chinese Cabbage Seedlings Mediated by Bacillus aryabhattai H26-2 and B. siamensis H30-3 against High Temperature Stress and Fungal Infections
Young Hee Lee, Su Jeong Jang, Joon-Hee Han, Jin Su Bae, Hyun-suk Shin, Hee Jin Park, Mee Kyung Sang, Song Hee Han, Kyoung Su Kim, Sang-W 한국식물병리학회 The Plant Pathology Journal 12 Pages
한국식물병리학회 The Plant Pathology Journal 2018, 34권 6호 10 555-566 (12 pages)
Two rhizobacteria Bacillus aryabhattai H26-2 and B. siamensis H30-3 were evaluated whether they are involved in stress tolerance against drought and high temperature as well as fungal infections in Chinese cabbage plants. Chinese cabbage seedlings cv. Ryeokgwang (spring cultivar) has shown better growth compared to cv. Buram-3-ho (autumn cultivar) under high temperature conditions in a greenhouse, whilst there was no difference in drought stress tolerance of the two cultivars. In vitro growth of... -
Purification and Characterization of a Major Extracellular Chitinase from a Biocontrol Bacterium, Paenibacillus elgii HOA73
한국식물병리학회 The Plant Pathology Journal 11 Pages
한국식물병리학회 The Plant Pathology Journal 2017, 33권 3호 10 318-328 (11 pages)
a chitin-binding domain, two fibronectin type III domains, and a catalytic hydrolase domain. The chitinase (PeChi68) purified from recombinant E. coli exhibited a molecular mass of approximately 68 kDa on SDS-PAGE. Biochemical analysis indicated that optimum temperature for the actitvity of purified chitinase was 50ºC. However, it was inactivated with time when it was incubated at 40ºC and 50ºC. Its optimum activity was found at pH 7, although its activity was stable... -
Biological Control of Bacterial Fruit Blotch of Watermelon Pathogen (Acidovorax citrulli) with Rhizosphere Associated Bacteria
한국식물병리학회 The Plant Pathology Journal 14 Pages
한국식물병리학회 The Plant Pathology Journal 2017, 33권 2호 9 170-183 (14 pages)
Bacterial fruit blotch (BFB), which is caused by Acidovorax citrulli, is a serious threat to watermelon growers around the world. The present study was conducted to screen effective rhizobacterial isolates against 35 different A. citrulli isolates and determine their efficacy on BFB and growth parameters of watermelon. Two rhizobacterial isolates viz. Paenibacillus polymyxa (SN-22), Sinomonas atrocyanea (NSB-27) showed high inhibitory activity in the preliminary screening and were further... -
Biological Control of Apple Anthracnose by Paenibacillus polymyxa APEC128, an Antagonistic Rhizobacterium
한국식물병리학회 The Plant Pathology Journal 9 Pages
한국식물병리학회 The Plant Pathology Journal 2016, 32권 3호 9 251-259 (9 pages)
The present study investigated the suppression of the disease development of anthracnose caused by Colletotrichum gloeosporioides and C. acutatum in harvested apples using an antagonistic rhizobacterium Paenibacillus polymyxa APEC128 (APEC128). Out of 30 bacterial isolates from apple rhizosphere screened for antagonistic activity, the most effective strain was APEC128 as inferred from the size of the inhibition zone. This strain showed a greater growth in brain-heart infusion (BHI) broth... -
Antagonistic Potential of Native Trichoderma viride Strain against Potent Tea Fungal Pathogens in North East India
한국식물병리학회 The Plant Pathology Journal 12 Pages
한국식물병리학회 The Plant Pathology Journal 2015, 31권 3호 9 278-289 (12 pages)
Indigenous strains of Trichoderma species isolated from rhizosphere soils of Tea gardens of Assam, north eastern state of India were assessed for in vitro antagonism against two important tea fungal pathogens namely Pestalotia theae and Fusarium solani. A potent antagonist against both tea pathogenic fungi, designated as SDRLIN1, was selected and identified as Trichoderma viride. The strain also showed substantial antifungal activity against five standard phytopathogenic fungi. Culture filtrate...
