• 제목/요약/키워드: Dung beetle

검색결과 31건 처리시간 0.019초

우분 분해에 대한 지렁이와 소똥구리의 상호작용 (Interaction between Earthworm and Dung Beetles on Cattle Dung Decomposition)

  • 방혜선;나영은;정명표;김명현;한민수;강기경;이덕배
    • 한국환경농학회지
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    • 제28권3호
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    • pp.238-242
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    • 2009
  • 우분의 분해에 있어 소똥구리와 지렁이를 함께 처리한 구에서 단독으로 소똥구리와 지렁이를 처리한 것 보다 분해율이 높았고, 지렁이와 소똥구리가 우분 분해 활동을 한 다음에 식물체를 파종했을 때 식물체 생장은 비료를 처리한 것과 동일한 효과가 인정되었다. 우분 함수율 78%까지는 소똥구리에 의해 분해 활동이 일어나며, 30%까지는 지렁이에 의해, 30% 이하에서는 두 동물군 모두 분해 활동을 하지 않았다. 소똥구리와 지렁이에 의해 운반된 우분은 초기 우분의 약 72%이며, 이중 10.2%는 소똥구리의 brood ball 형성에 이용되었다. 지렁이의 활동이 소똥구리의 brood ball 형성에 저해요인이 되지 않았고, 소똥구리의 활동 또한 지렁이의 생육에 영향을 미치지 않아 지렁이와 소똥구리는 우분에서 공간적 분포를 같이 하면서 먹이 경쟁을 하기 보다는 상호보완적인 작용을 하는 것으로 밝혀졌다.

방목초지에서 가축 배설분과 분충류의 분포에 관한 연구 (Studies on Distribution of Dung Beetles and Livestock Dung in Grazing Pasture)

  • 김맹중;육완방;임영철;윤세형;김종근;서성;이상무
    • 한국초지조사료학회지
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    • 제25권1호
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    • pp.51-56
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    • 2005
  • The dung beetle species living in grazing pasture in Korea and their life cycle such as characteristics of habitation and hibernation were investigated for five year. Eleven species belonging to five genera of dung beetles were found in the grazing pasture. They started to appear around the middle of April when grazing begins on pasture. Dung booties kept on laying eggs until the beginning of August and maintained their activity until the end of October. They passed the winter as a form of an imago twenty five to thirty centimeters under the ground. Loamy soil and sandy soil containing plenty of humus were prefered as a hibemaculum by them. Five genera of dung beetles. Aprodius spp, Onthophagus spp., Liatongus spp., Copris spp., Scarabaeus spp. were found and observed in s study. Three species of them like Scarabaeus affinis had more an twenty eight millimeter long body, and the body length of five species like Copris tripartitus were between ten and twenty millimeters. Three species of them like Apodius sublimbatus were had the body length of less than ten millimeters. The results of indoor experiments to study propagation power of dung beetle showed that the optimum temperature for propagation of Copris ochus and Copris tripartitus were between twenty and thirty degrees and the lowest temperature for living of dung beetle was eighteen degrees while e highest temperature being thirty five degrees. A light did not effect the propagation power of dung beetles.

Actinofuranone C, a New 3-Furanone-Bearing Polyketide from a Dung Beetle-Associated Bacterium

  • Um, Soohyun;Bang, Hea-Son;Shin, Jongheon;Oh, Dong-Chan
    • Natural Product Sciences
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    • 제19권1호
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    • pp.71-75
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    • 2013
  • Actinofuranone C (1), a new 3-furanone-bearing polyketide, was isolated from an actinobacterium (Amycolatopsis sp.) associated with a female of the dung beetle, Copris tripartitus Waterhouse. The structure of actinofuranone C was elucidated by the spectroscopic interpretation of NMR, mass, UV, and IR data. The discovery of actinofuranone C indicates that chemical investigation of insect-associated microorganisms would be an effective strategy to explore natural chemical diversity.

고지방식이로 유발한 흰쥐에서 쇠똥구리 추출물의 항산화 효과 및 혈당강하에 미치는 영향 (Anti-oxidative and Anti-hyperglycemia Effects of Dung Beetle Extracts on the High Fat Diet SD Rats)

  • 김하정;김반지;안미영
    • 생명과학회지
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    • 제26권7호
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    • pp.772-781
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    • 2016
  • 쇠똥구리는 동물의 분을 이용하여 토질을 개선시켜 지구 생태계에 매우 중요한 역할을 담당하는 곤충이다. 이 연구에서 수컷 SD rat는 5군으로 분리되어 PBS, 쇠똥구리 에탄올 추출물, 쇠똥구리 아세톤 추출물, 귀뚜라미 아세톤 추출물, 양성대조군으로 새우기름 그룹으로 나누었다. 13주령 쥐에 고지방식이로 비만을 7주간 유도하고, 20주령부터 시험물질을 고지방 식이를 하면서 한 달간 투여하였다. 쇠똥구리 추출물의 투여는 체중과 복부지방과 부고환지방 중량의 감소로 이어졌다. 지질의 산화적 스트레스는 간에서 MDA를 측정하여 평가하였으나, 군간에 유 의성이 없었다. 단백질의 산화적 스트레스는 혈액에서 단백질 카르보닐 양으로 측정되었는데 쇠똥구리 에탄올 추출물과 쇠똥구리 아세톤 추출물에서 유의성있게 산화적 스트레스가 감소되었다. 반면에 간에서의 단백질 카르보닐 양은 군간에 유의성이 없었다. 당뇨 혈관내피세포를 효소면역분석법을 사용하여 세포부착단백질인 laminin 과 fibronectin 수준을 측정하였더니 쇠똥구리 추출물에서 유의성이 있었다. 사이토카인 IL-10, IL-1β, VEGF, eNOS를 측정하였는데 IL-10에서 쇠똥구리 에탄올 추출물과 쇠똥구리 아세톤 추출물에서 유의성이 있었다. 항산 화효소인 SOD, GSH-Px 활성은 군간에 유의성은 없었지만, 증가하는 경향이 있었고, CAT활성은 쇠똥구리 추출물에서 유의성있게 증가되었다. 지방조직 내의 포화지방산 비율이 감소하는 경향이 나타났으며, 불포화지방산과 다 가불포화지방산은 증가하였다. 쇠똥구리 추출물의 지방조직 감소 및 여러 지질 수치의 향상효과는 쇠똥구리 추출물을 기능성 곤충 소재로 이용할 수 있는 가능성을 제시한다.

Anti-Diabetic Effects of Dung Beetle Glycosaminoglycan on db Mice and Gene Expression Profiling

  • Ahn, Mi Young;Kim, Ban Ji;Yoon, Hyung Joo;Hwang, Jae Sam;Park, Kun-Koo
    • Toxicological Research
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    • 제34권2호
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    • pp.151-162
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    • 2018
  • Anti-diabetes activity of Catharsius molossus (Ca, a type of dung beetle) glycosaminoglycan (G) was evaluated to reduce glucose, creatinine kinase, triglyceride and free fatty acid levels in db mice. Diabetic mice in six groups were administrated intraperitoneally: Db heterozygous (Normal), Db homozygous (CON), Heuchys sanguinea glycosaminoglycan (HEG, 5 mg/kg), dung beetle glycosaminoglycan (CaG, 5 mg/kg), bumblebee (Bombus ignitus) queen glycosaminoglycan (IQG, 5 mg/kg) and metformin (10 mg/kg), for 1 month. Biochemical analyses in the serum were evaluated to determine their anti-diabetic and anti-inflammatory actions in db mice after 1 month treatment with HEG, CaG or IQG treatments. Blood glucose level was decreased by treatment with CaG. CaG produced significant anti-diabetic actions by inhiting creatinine kinase and alkaline phosphatase levels. As diabetic parameters, serum glucose level, total cholesterol and triglyceride were significantly decreased in CaG5-treated group compared to the controls. Dung beetle glycosaminoglycan, compared to the control, could be a potential therapeutic agent with anti-diabetic activity in diabetic mice. CaG5-treated group, compared to the control, showed the up-regulation of 48 genes including mitochondrial yen coded tRNA lysine (mt-TK), cytochrome P450, family 8/2, subfamily b, polypeptide 1 (Cyp8b1), and down-regulation of 79 genes including S100 calcium binding protein A9 (S100a9) and immunoglobulin kappa chain complex (Igk), and 3-hydroxy-3-methylglutaryl-CoenzymeAsynthase1 (Hmgcs1). Moreover, mitochondrial thymidine kinase (mt-TK), was up-regulated, and calgranulin A (S100a9) were down-regulated by CaG5 treatment, indicating a potential therapeutic use for anti-diabetic agent.

Proteomic Assessment of Dung Beetle, Copris tripartitus Immune Response

  • Suh, Hwa-Jin;Bang, Hea-Son;Kim, Seong-Ryul;Yun, Eun-Young;Park, Kwan-Ho;Kang, Bo-Ram;Kim, Ik-Soo;Jeon, Jae-Pil;Hwang, Jae-Sam
    • International Journal of Industrial Entomology and Biomaterials
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    • 제17권2호
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    • pp.217-221
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    • 2008
  • Dung beetle larvae at the $3^{rd}$ instar were injected with lipopolysaccaride and inducible proteins were examined within a pI level of 3-10 and a size level by proteomics, including 1-D SDS PAGE analysis and antibacterial assay. The immune infected larvae extracts provided seven protein bands in one-dimensional electrophoresis and its antibacterial activity also checked. Hemolymph protein from immune infected larvae of the dung beetle were separated by twodimensional gel electrophoresis and compared with those from native larvae. In 2-D gel electrophoresis, we detected 63 immune infected unique and 32 up-regulated proteins, and 36 proteins that were down-regulated or not present in treated gel. Ten protein spots from unique proteins and those presented as different level of abundance in infected and native larvae were specially expressed. These differentially expressed proteins were proposed to be involved in the defense mechanism against microorganism.

A new genus and species record for Mongolia and Republic of Korea, Alliphis necrophilus Christie, 1983 (Parasitiformes: Eviphididae)

  • Keum, Eunsun;Bayartogtokh, Badamdorj;Jung, Chuleui
    • Journal of Species Research
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    • 제6권spc호
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    • pp.148-151
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    • 2017
  • Assocations of wingless mites with winged arthropods highlight important life history strategies and ecological interactions. Here we report a mesostigmatan mite species association with an earth-boring dung beetle. Mite spciemens were collected from the soil of organic apple orchards in the Province of Gyeongsangbuk-do, Republic of Korea, and cattle dung was collected from grassland in Mongolia. The species was identified as Alliphis necrophilus Christie, 1983 (Acari: Eviphididae). This is the first report of any species in the genus Alliphis in Korea. Some descriptive details and ecological remarks are also provided.

Identification of An Antibacterial Gene by Differential Display from Lipopolysaccharide-Stimulated Dung Beetle, Copris tripartitus

  • Suh, Hwa-Jin;Kim, Yeon-Ju;Bang, Hea-Son;Yun, Eun-Young;Kim, Seong-Ryul;Park, Kwan-Ho;Kang, Bo-Ram;Kim, Ik-Soo;Jeon, Jae-Pil;Hwang, Jae-Sam
    • International Journal of Industrial Entomology and Biomaterials
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    • 제17권2호
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    • pp.223-228
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    • 2008
  • A novel beetle antimicrobial protein from stimulated Copris tripartitus and the corresponding gene were isolated in parallel through differential display-PCR and expression in Escherichia coli. To find cDNA clones responsible for bacteria resistance, the suppression subtractive hybridization and GeneFishing differentially expressed genes system were employed in the dung beetle, Copris tripartitus immunized with lipopolysaccaride. One cDNA clone from eight subtracted clones was selected through dot blot analysis and confirmed by northern blot analysis. The 516-bp, selected cDNA clone was determined by 5' and 3' rapid amplication of cDNA ends and cloned into the GST fusion expression vector pGEX-4T-1 for expression of the protein. The expressed protein was predicted 14.7 kDa and inhibited the growth of gram-negative bacteria such as Escherichia coli and Pseudomonas aeruginosa. These results implied that the expressed protein is related to immune defense mechanism against microorganism.