• Title/Summary/Keyword: OMF region

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Molecular Identification of Orchid Mycorrhizal Fungi of Native Orchids in Ulleung Island (울릉도의 자생란과 공생하는 난균근균의 분자생물학적 동정)

  • Youm, Jae-Young;Chung, Jae-Min;Lee, Byung-Chun;Eom, Ahn-Heum
    • The Korean Journal of Mycology
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    • v.39 no.1
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    • pp.7-10
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    • 2011
  • Orchid mycorrhizal fungi (OMF) were examined in roots of the six terrestrial species of orchids collected in Ulleung Islands. Seven OMF isolates from the roots of orchids were identified based on morphological and molecular characters. Internal transcribed spacer region of OMF DNA was amplified using basidiomycete-specific ITS primers, ITS1-OF and ITS4-OF. OMF beloning to Tulasnellaceae and Ceratobasidaceae was identified through molecular analysis.

Identification of Orchid Mycorrhizal Fungi Isolated from Five Species of Terrestrial Orchids in Korea (한국에 자생하는 5종의 지생란에서 분리한 난균근균의 동정)

  • Youm, Jae-Young;Han, Han-Kyeol;Chung, Jae-Min;Cho, Yong-Chan;Lee, Byung-Chun;Eom, Ahn-Heum
    • The Korean Journal of Mycology
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    • v.40 no.3
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    • pp.132-135
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    • 2012
  • This study was performed to isolate and identify the orchid mycorrhizal fungi (OMF) from roots of five species of terrestrial orchids in Korea; Cymbidium goeringii, Spiranthes sinensis, Calanthe discolor, Bletilla striata, Pogonia minor. DNA was extracted from isolated OMF and ITS region was amplified using primers, ITS1-OF and ITS4-OF. Four species of OMF belong to Tulasnellaceae and Sebacinaceae were identified; Tulasnella calospora, Tulasnella irregularis, Tulasnella sp., Sebacina vermifera.

A STUDY ON CLINICAL USE OF HYPERBARIC OXYGEN THERAY OF THE ORAL AND MAXILLOFACIAL REGION (고압산소치료의 구강악안면영역에서의 임상적 이용에 관한 연구)

  • Lyoo, Jung-Ho;Um, Ki-Hun;Bae, Jun-Su;You, Jun-Young;Jang, Myung-Jin;Kim, Yong Kwan
    • Journal of the Korean Association of Oral and Maxillofacial Surgeons
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    • v.27 no.5
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    • pp.447-452
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    • 2001
  • Hyperbaric oxygen therapy(HBO) is defined as breathing 100% oxygen while in an enclosed system pressurized to greater than on atmosphere(sea level). This increased oxygen delivery furthers your body's ability to kill germs and to increase healing. HBO is a supplemental therapy to be used in addition to the current medical and surgical therapy you are receiving. HBO typically is used to complement treatments of medical problems such as bone infections, complication of radiotherapy, and certain chronic, non-healing wounds. On an emergency basis, the chamber also is used to treat problems such as carbon monoxide poisoning and the decompression sickness. We analysed stastically cases which are treated by hyperbaric oxygen therapy in point of oral and maxillofacial region on the Kangnam General Hospital for aid in comprehension and application of this therapy. Total 760 patients were treated at Gangnam General Hospital from July 1996 to September 1999. They were classified by region to Decompression sickness(DCS), Carbon monoxide poisoning(CO), General surgery(GS), Orthopedics(OS), Oral and Maxillofacial surgery(OMFS), others. Patients of Oral and Maxillofacial surgery were divided by diseses to Osteomyelitis, Osteoradionecrosis, Reconstruction, Bone graft, Difficult wounds, others. The results were as follows. 1. This institute conducts HBO therapy for DCS which takes up 62% and 10.5% for OMF region. 2. In OMF region, Osteomyelitis is 40%, Osteoradionecrosis is next, Bone graft, and Reconstruction is a row. 3. According to our precious study, HBO has been frequently conducted in OMF region compared to past, however, it is less actively conducted in this area for research than other conturies. Therefore, We need further application to the clinical use.

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Characteristic of Orchid Mycorrhizal Fungi from Roots of Cypripedium japonicum and C. macranthum (광릉요강꽃과 복주머니란의 뿌리에 감염된 난균근균의 특성)

  • Sim, Mi-Yeong;Youm, Jae-Young;Chung, Jae-Min;Lee, Byung-Chun;Koo, Chang-Duck;Eom, Ahn-Heum
    • The Korean Journal of Mycology
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    • v.38 no.1
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    • pp.1-4
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    • 2010
  • Orchid mycorrhizal fungi(OMF) were examined in roots of the two threatened orchid species, Cypripedium japonicum and C. macranthum. The morphological characteristics of mycorrhizal colonization in the roots of two orchid species were observed. OMF colonized in the roots of two species were identified using molecular analysis. DNA from the root was extracted and amplified internal transcribed spacer(ITS) region using basidiomycete ITS primers, ITS1-OF and ITS4-OF. Four species belonging to Tulasnellaceae in roots of C. japonicum and two species of Tulasnellaceae and one basidiomycetous species was found in roots of C. macranthum.

Relationships of Body Composition and Fat Partition with Body Condition Score in Serra da Estrela Ewes

  • Caldeira, R.M.;Portugal, A.V.
    • Asian-Australasian Journal of Animal Sciences
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    • v.20 no.7
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    • pp.1108-1114
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    • 2007
  • Twenty eight non-lactating and non-pregnant adult Serra da Estrela ewes, ranging in body condition score (BCS) from 1 to 4 were used to study the relationships between BCS, live weight (LW), body composition and fat partition. Ewes were slaughtered and their kidney knob and channel fat (KKCF), sternal fat (STF) and omental plus mesenteric fat (OMF) were separated and weighed. Left sides of carcasses as well as the respective lumbar joints were then dissected into muscle, bone and subcutaneous (SCF) and intermuscular fat (IMF). The relationship between LW and BCS was studied using data from 1,396 observations on 63 ewes from the same flock and it was found to be linear. Regression analysis was also used to describe the relationships among BCS and/or LW and weights (kg) and percentages in empty body weight (EBW) of dissected tissues. The prediction of weights and percentages in EBW of total fat (TF) and of all fat depots afforded by BCS was better than that provided by LW. Only the weight of muscle and the percentage of bone in the EBW were more efficiently predicted by LW than by BCS. IMF represented the largest fat depot with a BCS of 1 and 2, whereas SCF was the most important site of fat deposition with a BCS of 3 and 4. Allometric coefficients for each fat depot in TF suggest that the fat deposition order in ewes from this breed is: IMF, OMF, SCF and KKCF. Results demonstrate that BCS is a better predictor than LW of body reserves in this breed and that LJ is a suitable anatomical region to evaluate BCS.