본 연구는 전남 겨울철 생산되고 소비되는 절화장미의 외적 품질과 연관된 내적품질 분석을 위해 수행되었다. 절화장미 5품 종 ‘캐롤라인’, ‘하젤’, ‘주밀리아’, ‘핑크 셀러브레이션’, ‘빅토리 아’의 절화수명은 6.5~18.4일 수준이었다. 절화장미의 외적품 질과 수명품질간 상관성을 확인하였다. 초장은 절화수명과 양의 상관관계(r = 0.45**)를 보였던 반면, 생체중(r = -0.56**)과 줄기 직경(r = -0.54**)은 강한 음의 상관관계를 나타냈다. 화탁 의 너비와 절화수명간 유의미한 상관관계(r = 0.45**)를 확인하 였고 이는 절화장미의 꽃 형태 특성을 통해 내적품질을 예측할 수 있다는 것을 시사한다

A crustose red alga, Lithophyllum neo-okamurae A.Kato, D.Basso, Caragnano, Rodondi, V.Peña & M.Baba, is reported a new record from Korea and its biogeographic distributions are extended in Korea. Lithophyllum neo-okamurae has been known as endemic species in Japan. Despite the resemblance between L. neookamurae and L. okamurae, our molecular and morphological analyses have revealed the simultaneous presence of both species in Korea. Although L. neo-okamurae and L. okamurae share morphological similarities, there are notable variations in gene sequences, with a range of 9.1-11.3% in psbA and 14.8-15.3% in rbcL. Specifically, while L. neo-okamurae is distributed throughout the entire coastline of Korea, L. okamurae is predominantly found in southern region. Furthermore, our analyses have revealed their detailed distributions in Korea.

본 연구는 국내산 절화류 품질보증 가이드라인 기초자료 제 공을 위해 수행되었다. 국내산 절화류 20품목을 대상으로 소비 단계에서의 계절별 절화수명과 상업용 절화보존제 효과를 조사 하였다. 그 결과, 계절별 절화수명의 차이가 뚜렷했고 사계절 중 여름철에 46.2% 짧아졌다. 또한, 계절과 상관없이 국내산 절화류 20품목의 절화수명 품질보증 기한을 3수준(3일, 5일, 7일 이상)으로 분류 가능하였다.

This study aimed to develop the in vitro method using domestic commercial diets to estimate nutrient digestibility in dogs. The existing in vitro method were tested and compared with literature data to develop new in vitro method. The development of in vitro method progressed as follows: modification of pepsin solution to an activated form and supplementation with 1% lipase. All the in vitro method progressed to 4 hours of stomach simulation and 2 hours of small intestine simulation. In vivo digestibility was measured using the same diets as beagle dogs. The supplementation of lipase methods showed significantly improved (p < 0.05) DM, OM, and EE than the existing and modified pepsin solution methods. The correlation between in vitro and in vivo data in DM, OM, and EE digestibility was high (r2 = 0.889, 0.907, and 0.721, respectively), and the correlation between in vitro and in vivo data in CP and GE digestibility was medium (r2 = 0.681 and 0.536, respectively). The current in vitro method is similar to in vivo digestibility and helps potentially predict digestibility for dogs. In conclusion, this developed in vitro method suggests that it can help estimate the nutrient digestibility of dogs' diets without in vivo experiments.

Recently, it is demonstrate that the invertebrates have a immune memory, called Immune priming (IP). It was partially studied that the IP is mainly regulated by epigenetic modification. Here, to understand the IP on antimicrobial peptides (AMPs) production, we investigated larval mortality and time-dependent expression patterns of AMP genes in T. molitor larvae challenged with E. coli (two-times injection with a one-month interval). Interestingly, the results indicate that the higher and faster expression levels of most AMP genes were detected compared to the non-primed T. molitor larvae. Our results may used to improve the understanding of mechanisms of invertebrate immune memory.

Tube, an intracellular protein of the Toll-pathway, forms a complex with Pelle and MyD88, and regulates a signal transduction to activate NF-κB in Drosophila. To understand the antimicrobial function of TmTube, the induction patterns of TmTube were investigated at 3, 6, 9, 12, and 24 h-post injection of pathogens into 10th to 12th instar larvae. In addition, we investigated the effects of TmTube RNAi on larval mortality and tissue specific AMP expression in response to microbial challenge. Our results will provide a basic information to elucidate the immunological function of TmTube

Tumor necrosis factor receptor-associated factor (TRAF) is known to regulate antimicrobial peptides (AMPs) production in mammals. Here, to understand the immunological function of TmTRAF against microbial challenge, the induction patterns of TmTRAF against microbial infection was investigated by qRT-PCR in the whole-body and tissue of young larvae. In addition, the effects of TmTRAF RNAi on larval mortality and expression of 15 AMP genes in response to microbial infection were investigated. Our studies may help to understand the basic role of AMP production.