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초음파 처리에 따른 파밤나방(Spodoptera exigua)의 발육 및 교미행동 교란 분석
김용균,손예림,박복리,Kim, Yong-Gyun,Son, Ye-Rim,Park, Bok-Ri 한국응용곤충학회 2012 한국응용곤충학회지 Vol.51 No.3
일부 고주파 음파 처리가 파밤나방(Spodoptera exigua)의 생리변화를 유발시킨다. 이 연구는 초음파(${\geq}$ 20 kHz) 처리가 파밤나방 유충 섭식, 용 발육 및 성충 교미행동에 미치는 영향을 분석하였다. 초음파 처리는 5령충의 섭식 활동을 억제시켰다. 특별히 30 kHz 또는 45 kHz 초음파 처리를 받은 유충은 50% 이상의 섭식활동이 감소하였다. 이러한 초음파 처리를 받은 유충은 혈장의 주요 영양물질 함량이 변동되었다. 혈장 단백질은 처리 초음파의 주파수 증가에 따라 감소하였다. 그러나 혈당은 처리 초음파의 주파수 증가에 따라 증가하였다. 지질 함량은 30 kHz 처리까지는 증가하다가 이후 감소하였다. 파밤나방 5령의 혈구, 지방체 및 표피세포의 세 조직은 스트레스 관련 유전자들인 세 종류의 열충격단백질과 apolipophorin III를 발현시켰다. 그러나 초음파를 처리할 경우 일부 스트레스 관련 유전자들의 발현을 크게 억제시켰다. 초음파 처리는 또한 용발육을 억제시켜, 용기간을 연장시키고 성충으로 우화를 현격하게 낮추었다. 끝으로 초음파 처리는 성충의 교미행동을 억제시켜 암컷의 산란력을 뚜렷하게 낮추었다. 이러한 결과는 초음파가 파밤나방의 생리적 스트레스로 작용하고 있다는 것을 제시하고 있다. Some high frequency sounds alter physiological processes of the beet armyworm, Spodoptera exigua. This study investigated the effect of ultrasound (${\geq}$ 20 kHz) on larval feeding, pupal development, and adult mating behavior of S. exigua. Ultrasound suppressed feeding behavior of fifth instar larvae, and 30 or 45 kHz treatment inhibited more than 50% of feeding activity. Larvae treated with ultrasound exhibited alterations in major nutrient compositions in the hemolymph plasma. Plasma protein levels decreased with an increase in ultrasound frequency. In contrast, sugar levels increased with an increase in ultrasound frequency. Lipid levels increased with an increase in ultrasound frequency up to 30 kHz and then decreased at treatments > 30 kHz. Hemocytes, the fat body, and epidermis expressed three heat shock proteins and apolipophorin III. Ultrasound treatment markedly inhibited expression of some stress-related genes. Ultrasound treatment also inhibited S. exigua pupal development by extending the pupal developmental period and preventing adult emergence. Last, ultrasound treatment significantly inhibited adult mating behavior, which resulted in a significant decrease in female fecundity. These results show that ultrasound is a physiological stress to S. exigua.
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고주파 처리에 따른 파밤나방(Spodoptera exigua)의 생리적 스트레스의 생화학적 분석
김용균,손예림,서삼열,박복리,박정아,Kim, Yong-Gyun,Son, Ye-Rim,Seo, Sam-Yeol,Park, Bok-Ri,Park, Jung-A 한국응용곤충학회 2012 한국응용곤충학회지 Vol.51 No.3
고주파 처리는 파밤나방(Spodoptera exigua)의 생리변화를 유발시켜 섭식행동, 발육 및 면역반응의 변화를 초래한다. 본 연구는 이러한 고주파의 영향을 파밤나방의 생화학적 변화를 통해 분석했다. 고주파(5,000 Hz, 95 dB) 처리는 중장 상피세포의 단백질 합성과 분비를 억제시켰다. 또한 이 고주파 처리는 중장의 인지질분해(phospholipase $A_2$) 소화효소의 활성을 현격하게 억제시켰다. 고주파 처리는 세 종류의 열충격단백질과 지질운송단백질(apolipophorin III)의 유전자 발현을 변동시켰고 이러한 변화는 중장 조직에서 뚜렷했다. 혈림프 혈장에 존재하는 지질 및 유리당의 함량이 고주파 처리에 의해 현격하게 증가했다. 이러한 결과는 고주파 처리가 파밤나방의 체내 생화학적 변화를 유발시켜 생리적 교란을 유도하는 스트레스로 작용한다는 것을 제시하고 있다. High frequency sounds disrupt physiological processes, such as feeding behavior, development and immune responses of Spodoptera exigua. We analyzed high frequency sounds with respect to biochemical changes in S. exigua. High frequency sound (5,000 Hz, 95 dB) suppressed protein synthesis and secretion of midgut epithelium. It also significantly inhibited a digestive enzyme activity of phospholipase $A_2$. The gene expression of three different heat shock proteins and apolipophorin III was altered, particularly in midgut tissue in response to high frequency sound treatments. High frequency sound treatments significantly increased sugar and lipid levels in hemolymph plasma. These results suggest that high frequency sounds are a physiological stress that induces biochemical changes in S. exigua.
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타액내 구강질환 원인 균의 세균배양법, SYBR green qPCR법, MRT-PCR법 간의 정량분석
박용덕 ( Yong-duk Park ),오혜영 ( Hye-young Oh ),박복리 ( Bok-ri Park ),조아라 ( Ara Cho ),김동기 ( Dong-kie Kim ),장종화 ( Jong-hwa Jang ) 한국치위생학회 2017 한국치위생학회지 Vol.17 No.2
Objectives: The purpose of this study was to compare SYBR Green qPCR, TaqMan, and bacterial selective medium cultures for accurate quantitative analysis of oral microorganisms. Methods: The SYBR Green method is widely used to analyze the total amount of oral microorganisms in oral saliva. However, in this study, MTR-PCR method based on TaqMan method was performed using newly developed primers and probes. In addition, it was designed to confirm the detection agreement of bacteria among bacteria detection method. Results: As a result of MRT-PCR and SYBR Green qPCR analysis, more than 40 times (0.9-362.9 times) bacterium was detected by MRT-PCR. In addition, more bacteria were detected in saliva in the order of MRT-PCR, SYBR Green qPCR, and bacterium culture, and the results of MRB-PCR and SYBR Green qPCR showed the highest agreement. The agreement between the three methods for detecting P. intermedia was similar between 71.4 and 88.6%, but the agreement between MRT-PCR and SYBR Green qPCR was 80% for S. mutans. Among them, the number of total bacteria, P. intermedia and S. mutans bacteria in saliva was higher than that of SYBR Green qPCR method, and bacterium culture method by MRT-PCR method. P. intermedia and S. mutans in saliva were detected by MRT-PCR and MRT-PCR in 88.6% of cases, followed by the SYBR Green qPCR method (80.0%). Conclusions: The SYBR Green qPCR method is the same molecular biology method, but it can not analyze the germs at the same time. Bacterial culturing takes a lot of time if there is no selective culture medium. Therefore, the MRT-PCR method using newly developed primers and probes is considered to be the best method.
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이은지,김소민,박소민,박복리,홍성익,김현정 순천향대학교 기초과학연구소 2022 순천향자연과학연구 논문집 Vol.28 No.1,2
Since the oral cavity is directly connected to the outside, it is an important site for microbial invasion, and since it is an environment that is nutritionally and physiologically easy to multiply bacteria, many bacteria always form bacteriological flora in the oral cavity. And propolis is a natural treatment used in many health food stores in various forms for local treatment. This study analyzes the changes in the activity of five oral microorganisms before and after consumption of propolis for various age groups to find out how propolis, which shows the efficacy of anti-inflammatory, antibacterial, and immune sensitization, affects oral microorganisms. Five types of bacteria possessed by periodontal disease patients were specified and digitized targeting the public person, and then before and after propolis intake was compared, and the levels of periodontal disease bacteria in the intake group and the non-consumption group were compared. As a result of comparing the patterns before ingestion (0 week) and after ingestion (3 week) in the oral bacteria analysis, it was confirmed that the bacteria decreased overall except for the five populations in the propolis intake group. In contrast, in the comparative group that did not intake propolis, the bacteria of five periodontal disease increased except for the four populations. What can be seen from this result is that propolis is effective in reducing bacteria in five types of periodontal disease. In order to use propolis as a food for preventing periodontal disease and to get a better effect, further research is needed to find out the mechanism of antibacterial action in propolis compounds.
ScienceON
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