• Journal of Plant Biotechnology
• /
• 제48권1호
• /
• pp.26-33
• /
• 2021

당귀는 일반적으로 이용되는 대표적인 다년생의 약용식물이다. 최근 국제적 추세에 따라 자국의 유전자원의 발굴, 보존 등이 강화됨에 따라 인접국가와 국내 자생 당귀 계통을 판별할 수 있는 기준설정에 관한 연구의 필요성이 대두되고 있지만, 분자생물학적 판별 기술의 개발은 아직 미흡한 실정이다. 본 연구에서는 국내 토종 당귀인 참당귀와 세발당귀, 그리고 해외 유래 당귀 종의 기원을 판별하기 위해 핵의 리보솜에 존재하는 ITS 유전자단편에서 SNP를 이용한 판별 프라이머를 확보하였으며, 이를 보완하여 보다 신속하게 판별하기 위하여 ARMS-PCR 기술을 이용한 판별 마커와 그 조건을 확립하였다. 그러므로, 본 연구에서 개발된 SNP 마커는 다양한 지역 또는 국가에서 서식하는 당귀 종들의 신속한 확인을 위해 매우 유용하게 이용될 것으로 생각된다.

• Journal of Plant Biology
• /
• 제19권1호
• /
• pp.19-30
• /
• 1976

The auther has examined 103 species of the freshwater Cyanophyceae from Chun Ra Book Do area. They are composed of 4 orders, 2 suborders, 8 families, 33 genera, 98 species, and 5 varieties. Among them, those not previously reported in Korea are 2 genera, 20 species, and 2 varieties.

• Journal of Plant Biology
• /
• 제31권4호
• /
• pp.317-332
• /
• 1988

Morphotaxonomic study was made on the Leathesiaceae of Cheju Island. One species of Petrospongium, P. rugosum, and three of Leathesia, L. difformis, L. sphaerocephala, and L. verruculiformis, were found in Cheju Island. Myriactula species was not found in the locality. L. verruculiformis was described as a new species of the genus Leathesia. L. verruculiformis was characterized by the less compact cortical layer, clavate assimilating filaments, and plurilocular sporangia born in tufts.

• Journal of Plant Biology
• /
• 제2권2호
• /
• pp.22-24
• /
• 1959

1. In this paper the author reports on 16 species fo the higher fungi, Which were collected in the Dagelet Island during the periods of October 5-22, 1958. 2. They are Classified as follows : 1. Class, 2 subClasses, 4 orders, 8 families, 13 genera and 16 species. Among them 2 unrecorded species are included.

• Journal of Plant Biology
• /
• 제28권4호
• /
• pp.297-304
• /
• 1985

Two Korean species of Centroceras K tzing, Ceramiaceae was investigated taxonomically. C. clavulatum (Ag.) Montagne collected at several sited along the coast of Korea was characterized by regular dischotomous branches with whorl spines at every node, whereas, C. distichum Okamura collected at Soando in the southern coast was by alternate branches with gland cells around nodes. Biogeographic data show that Korea is almost northern limit in distribution of the former species.

• Journal of Plant Biotechnology
• /
• 제3권2호
• /
• pp.45-57
• /
• 2001

Trees have the ability to undergo secondary growth and produce a woody body. This tree-specific growth is affected by the secondary vascular system and the developmental continuum of secondary phloem and xylem. Secondary growth is one of the most important biological processes on earth. Considering its economic and environmental significance, our knowledge of tree growth and development is surprisingly limited. Trees have received little attention as model species in plant science, as most Plant biology questions can be best addressed by using herbaceous model species, such as Arabidopsis. Furthermore, tree biology is difficult to study mainly due to the inherent problems of tree species, including large size, long generation time, large genome size, and recalcitrance to biotechnological manipulations. Despite all of this, one must rely on trees as models to study tree-specific questions, such as secondary growth, which cannot be studied effectively in non-woody model species. Recent advances in genomics technology provide a unique opportunity to overcome these inherent tree-related problems. Several groups, including our own, have been successful in studying the biology of wood formation with a variety of hardwood and softwood species. In this article, 1 first review the current understanding of tree growth and then discuss the recent attempts to fully explore and realize the potential of molecular biology as a tool for enhanced understanding of secondary growth.

• 식물분류학회지
• /
• 제39권4호
• /
• pp.292-295
• /
• 2009

난대림 지역인 전라남도 신안군 흑산면에서 발견된 한반도 미기록 1종 신안새우난초(Calanthe aristulifera Rchb. f.)를 보고한다. 신안새우난초는 잎의 뒷면에 털이 있고 거가 있다는 점에서 이미 보고된 새우난초속(Calanthe)의 다른 종들과 쉽게 구별된다. 신안새우난초는 새우난속의 교배품종 개발에 매우 중요한 종이다.

• Journal of Species Research
• /
• 제12권4호
• /
• pp.299-306
• /
• 2023

A northern lineage plant, Stellaria filicaulis (Caryophyllaceae), was newly found in Yeoncheon-gun, Gyeonggi-do of South Korea. This species is distributed in China, Japan, Korea, Mongolia, and Russia. On the Korean Peninsula, St. filicaulis, however, has been known to grow in North Korea. Species identification was confirmed using morphological characteristics and DNA sequence data, while comparing with materials obtained from herbarium specimens. Stellaria filicaulis is distinguished from St. longifolia by having smooth surface of stem, petals about twice longer than sepals. On the neighbor-joining tree, St. filicaulis formed a clade, and the species is closely related to St. longifolia of the Parviflorae clade. Details of the morphological characters, the type specimens, voucher specimens data, and photographs of St. filicaulis in South Korea are presented. In addition, it is likely that a new habitat will be found by plant biodiversity field surveys through the middle part of the Korean Peninsula. Further research is needed to determine its population size, distribution, and threats, as well as identify appropriate locations for conservation collection of germplasm.

• Journal of Plant Biology
• /
• 제33권2호
• /
• pp.97-104
• /
• 1990

In order to investigate the host range of Agrobacterium tumefaciens KU12 containing pTi-12, 28 species of dicotyledonous plants were infected with KU12, A136 without Ti plasmid and A348 containing pTi A6, respectively. KU12 and A348 induced tumor in 20 species and 14 species, respectively. This results showed that KU12 has a wide host range. Therefore, it was confirmed that KU12 and pTi-12 are very useful for developing plant vector system having a broad host range.

• 한국균학회지
• /
• 제44권1호
• /
• pp.48-50
• /
• 2016

A previously unrecorded species, Metacordyceps chlamydosporia KNU14-22, was isolated from soil in Korea. Identification of the fungal species was based on morphological and molecular characteristics. This species has not been previously reported in Korea and herein we present data with detailed descriptions and figures.