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프랑스국립자연사 박물관에 소장된 Cobitis sinensis 표본에 관한 조사연구
손영목,김익수 한국어류학회 2002 韓國魚類學會誌 Vol.14 No.3
2002년 9월 6일 프랑스 국립자연사박물관(MNHN)에 소장된 Cobitis sinensis 표본 syntype MNHN 1872-6779, MNHN 1934-0172~0173을 현지에서 조사하였다. MNHN 1872-6779 표본은 체측의 좌우 근육이 제기되었고 변형이 심하였으며, 완전히 탈색되어 반문 형태는 전혀 확인할 수가 없었다. MNHN 1934-0172~0173 표본은 상태가 대체로 양호하여 형태 및 반문의 관찰이 가능하였다. 몸 반문 형태에서는 모든 Gambetta zone이 머리 바로 뒤부터 꼬리지느러미 기부까지 잘 구분되어 나타나 있었고, 제4 Gambetta zone은 안구보다 약간 큰 세로로 네모진 갈색 반문이 체측 중앙을 따라 11~12개가 배열되어 있어서 원기재과 잘 일치하였다. 두부 및 꼬리지느러미의 반문 형태도 원기재와 일치하고 수컷의 Lamina circularis는 둥근 주걱형이었다. 그 동안 Cobitis sinensis를 나타내는 그림이 연구자에 따라 다양한 형태로 제시되어 왔으나, 그 중 MNHN 1934-0172~0173의 형태와 가장 일치하는 그림은 Mao(1991)에 의해 제시된 것으로 판단되었다. We examined the type specimens of Cobitis sinensis Sauvage & Dabryi de Thiersant, 1874 preserved at the Museum National d historie Naturalle, Paris (MNHN) in order to clarify the species identity. The syntypic specimens MNHN1872-6779 could not be identified based solely on the colour patteren on the body owing to the elimination of most lateral body muscles and decolorizing of the specimen. However, two specimens, MNHN 1934-0172 and 0173, were available t o distinguish morphological characters and colour patterns in the preservation condition. Most of the Gambetta s zones could be distinguished well on the body sides from just behind the head to the end of the caudal peduncle. The fourth Gambetta's zone was disposed with 11 - 12 brownish rectangular and vertically elongate spots, which are larger than the eye diameter. The colour patterns of Gambetta s zones as well as those of the head and caudal fin in MNHN 1934-0172 and 0173 were identical with those described in the original description. Figures of Cobitis sinensis have been differently presented in publications by various authors, but we have confirmed that the figure by Mao (1991) was well in accord with the shape of MNHN1934-0172 and 0173.
A novel approch of usage of Gram staining to indentify Mycobacterium tuberculosis from tissues
Jin Mok Kim(Jin Mok Kim),Ji Eun Oh(Ji Eun Oh),Reye Kim(Reye Kim),Yeong-Jin Heo(Yeong-Jin Heo),Jae-Hyeon Cho(Jae-Hyeon Cho) 한국예방수의학회 2023 예방수의학회지 Vol.47 No.1
Tuberculosis is a potentially deadly infectious disease caused by the Mycobacterium tuberculosis (M. tuberculosis). Tuberculosis is diagnosed by proving the M. tuberculosis in sputum samples based on the results of acid-resistant staining, culture, and nucleic acid amplification tests. However, there is a report that the detection rate of M. tuberculosis is low in acid-resistant staining using tissue specimens. It has been suspected that the cause is a potential loss of acid resistance by the organic solvents used for tissue specimen preparation. Therefore, this study was pursued to find out if Gram staining and fluorescent staining in addition to acid-resistant staining would be helpful in diagnosing tuberculosis. We used four tissue (lung, small intestine, large intestine, and lymph node) samples with chronic granulomatous inflammation observed in HE staining and positive results in real-time PCR. These detection rates and staining properties were investigated through microscopic examination using the Ziehl-Neelsen, Gram, and Auramin rhodamine staining. In this studies, M. tuberculosis were observed by Ziehl-Neelsen, Gram, and Auramin rhodamine staining in all four samples. In the evaluation of clinical microbiology proficiency testing (CMPT), the Ziehl-Neelsen and Gram staining were the same result, but the Auramin rhodamine staining was relatively low. These data indicated that Gram staining is useful for detecting M. tuberculosis in formalin-fixed tissue specimens. Therefore, if the Ziehl-Neelsen and Gram staining are combined as the M. tuberculosis staining method in tissue specimens, a better direction may be provided for tuberculosis diagnosis.
Kim, Ju Yeong,Kim, Eun-Min,Yi, Myung-hee,Lee, Jinyoung,Lee, Seogwon,Hwang, Younjee,Yong, Dongeun,Sohn, Woon-Mok,Yong, Tai-Soon Elsevier 2018 Experimental parasitology Vol.193 No.-
<P>Helminth infection can alleviate immune-mediated disorders such as allergies and autoimmune diseases, by altering the gut microbiome. However, changes in gut microbiome due to intestinal trematodes remain unelucidated. Here, we evaluated the changes in the gut microbiome of ICR mice infected with Metagonimus yokogawai, a hypo-virulent intestinal trematode. Four weeks after infection, mouse cecal content was analyzed by 16S rRNA amplicon analysis. Although there was no apparent difference in species richness and diversity, the microbiome composition was different in the infected and control groups. Furthermore, several Lactobacillus species with known immunomodulatory role in immune-mediated diseases were increased in the infected group.</P>