지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.9
- 수록면
- 391 - 402 (12page)
- DOI
- 10.48022/mbl.2104.04013
이용수
초록· 키워드
오류제보하기
Earthworms play an important role in soil fertilization, interacting continually with microorganisms. This study aims to demonstrate the existence of beneficial microorganisms living in the earthworm’s immune system, the coelomic fluid. To achieve this goal, a molecular identification technique was performed, using cytochrome c oxidase I (COI) barcoding to identify abundant endogenic earthworms inhabiting the temperate zone of Rabat, Morocco. Then, 16S rDNA and ITS sequencing techniques were adopted for bacteria and fungi, respectively. Biochemical analysis, showed the ability of bacteria to produce characteristic enzymes and utilize substrates. Qualitative screening of plant growth-promoting traits, including nitrogen fixation, phosphate and potassium solubilization, and indole acetic acid (IAA) production, was also performed.
The result of mitochondrial COI barcoding allowed the identification of the earthworm species Aporrectodea molleri. Phenotypic and genotypic studies of the sixteen isolated bacteria and the two isolated fungi showed that they belong to the Pseudomonas, Aeromonas, Bacillus, Buttiauxella, Enterobacter, Pantoea, and Raoultella, and the Penicillium genera, respectively. Most of the isolated bacteria in the coelomic fluid showed the ability to produce β-glucosidase, β-glucosaminidase, Glutamyl-β-naphthylamidase, and aminopeptidase enzymes, utilizing substrates like aliphatic thiol, sorbitol, and fatty acid ester. Furthermore, three bacteria were able to fix nitrogen, solubilize phosphate and potassium, and produce IAA.
This initial study demonstrated that despite the immune property of earthworms’ coelomic fluid, it harbors beneficial microorganisms. Thus, the presence of resistant microorganisms in the earthworm's immune system highlights a possible selection process at the coelomic fluid level.
목차
등록된 정보가 없습니다.
참고문헌 (41)
참고문헌 신청
Feller C / 2003 / Charles Darwin, earthworms and the natural sciences : Various lessons from past to future / Agric. Ecosyst. Environ 99:29~49
Blouin M / 2013 / A review of earthworm impact on soil function and ecosystem services / Eur. J. Soil Sci 64:161~182
Brown GG / 2000 / Regulation of soil organic matter dynamics and microbial activity in the drilosphere and the role of interactions with other edaphic functional domains / Eur. J. Soil Biol 36:177~198
Raouane M / 2016 / Pouvoir neutralisant des pH acides par les excrétions cutanées de Lumbricus terrestris L / Bull. la Soc. Rdes Sci. Liege 85:1~16
El Harti A / 2001 / Production de composés indoliques rhizogènes par le ver de terre Lumbricus terrestris / Can. J. Zool 79:1921~1932
Blouin M / 2013 / A review of earthworm impact on soil function and ecosystem services / Eur. J. Soil Sci 64:161~182
Brown GG / 2000 / Regulation of soil organic matter dynamics and microbial activity in the drilosphere and the role of interactions with other edaphic functional domains / Eur. J. Soil Biol 36:177~198
Raouane M / 2016 / Pouvoir neutralisant des pH acides par les excrétions cutanées de Lumbricus terrestris L / Bull. la Soc. Rdes Sci. Liege 85:1~16
El Harti A / 2001 / Production de composés indoliques rhizogènes par le ver de terre Lumbricus terrestris / Can. J. Zool 79:1921~1932
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