• Title/Summary/Keyword: phylogenetic notes

Search Result 10, Processing Time 0.03 seconds

First Record of the Himalayan Swiftlet Aerodramus brevirostris (Aves: Apodiformes) from Korea

  • Choi, Chang-Yong;Park, Jong-Gil;Lee, Yun-Sun;Min, Mi-Sook;Bing, Gi-Chang;Hong, Gil-Pyo;Lee, Hang
    • Animal Systematics, Evolution and Diversity
    • /
    • v.25 no.3
    • /
    • pp.269-273
    • /
    • 2009
  • On 28 April 2008, a male Himalayan Swiftlet (Aerodramus brevirostris) was captured and examined at a night roost of swallows on Hongdo Island, Jeollanam-do, Korea. This is the first record of this species from Korea confirmed by specimen examination. We describe morphological features and some phylogenetic notes of the Himalayan Swiftlet found.

Taxonomic notes on the genus Alsidium C. Agardh, including the merging of Bryothamnion Kützing (Rhodomelaceae)

  • Garcia-Soto, Gabriela;Lopez-Bautista, Juan
    • ALGAE
    • /
    • v.33 no.3
    • /
    • pp.215-229
    • /
    • 2018
  • In this study, the phylogenetic relationships among the genera Alsidium C. Agardh and Bryothamnion $K{\ddot{u}}tzing$ were investigated. Phylogenetic analyses using the plastid-encoded markers rbcL, psbA, and the mitochondrial barcode region (COI-5P) resolved a well-supported clade that included the species Alsidium corallinum, Bryothamnion seaforthii, and B. triquetrum. Our results indicated that taxonomic recognition of the genus Bryothamnion is not supported and two species of Bryothamnion are reallocated to Alsidium. A reexamination of the morphological definition of Alsidium is provided with an updated diagnosis of the genus and a morphology-based comparison of species that are currently circumscribed under this generic name. Furthermore, we reviewed morphological differences and similarities between Alsidium and the genus Digenea, both belonging to the tribe Alsidieae, discussing the most relevant morphological characters.

Taxonomic notes on five species of Gracilariaceae from Hainan, China

  • Yang, Mi-Yeon;Dong, Jun-De;Kim, Myung-Sook
    • ALGAE
    • /
    • v.27 no.3
    • /
    • pp.175-187
    • /
    • 2012
  • Hainan is the second largest and southernmost island of China, and it harbors many species of the family Gracilariaceae. In this study, we conducted molecular and morphological analyses of gracilarian specimens collected from Hainan Island, to clarify their taxonomic identity and phylogenetic relationships. Five species of Gracilariaceae in Hainan were determined through maximum likelihood and Bayesian analysis of rbcL sequence data. Based on the phylogenetic trees and morphology, Hainan specimens were identified as three species of Gracilaria, one species of Gracilariopsis, and one species of Hydropuntia, namely, G. salicornia, G. tenuistipitata, Gracilaria sp., Gp. bailiniae and H. edulis. This is the first report of the molecular phylogeny of Gracilariaceae on Hainan Island, and it helps to clarify the taxonomy and distribution of gracilarian species in the Asia-Pacific region.

Notes of 15 unrecorded macrofungi in Korea

  • Minseo Cho;Sun Lul Kwon;Seokyoon Jang;Yeonjae Yoo;Sang Hyun Lee;Dae Young Kwon;Changmu Kim;Young Woon Lim;Jae-Jin Kim
    • Journal of Species Research
    • /
    • v.13 no.1
    • /
    • pp.67-88
    • /
    • 2024
  • Macrofungi are essential decomposers in the forest environment. Although more than 70% of the land is mountainous, there has been a lack of research on mushroom diversity in Korea compared to the global species estimation. For this reason, the need for further research became apparent. The surveys were conducted from 2014 to 2022 nationwide. As a result, 15 unrecorded macrofungal species were discovered: Agaricus thiersii, Baorangia alexandri, Boletellus putuoensis, Entoloma bulakhae, Entoloma pygmaeopapillatum, Entoloma subtenuicystidiatum, Gerronema kuruvense, Hyphoderma nudicephalum, Hyphoderma tenue, Macrolepiota subcitrophylla, Mycena jingyinga, Mycena yuezhuoi, Ophiocordyceps vespulae, Scytinostroma acystidiatum, and Steccherinum straminellum. These species are identified based on morphological, molecular, and phylogenetic analyses using the internal transcribed spacer (ITS) region and the nuclear large subunit rRNA (LSU) region. Here, we provided macro- and micro-morphological figures with phylogenetic trees to support 15 species as unrecorded to Korea.

Notes on the Unrecorded Species of Subgenus Lepidella in Korean Genus Amanita (한국산 광대버섯속 Lepidella 아속의 미기록종 보고)

  • Jin, Yong Ju;Yoo, Ki Bum;Hong, Seung Beom;Kwon, Soon Wu;Kim, Soo Jin;Kim, Seong Hwan;Seok, Soon-Ja
    • The Korean Journal of Mycology
    • /
    • v.43 no.4
    • /
    • pp.216-223
    • /
    • 2015
  • Amanita subgenus Lepidella is a well-known group that includes lethal amanitas. However, the taxonomic investigation of Korean Amanita species is still in progress. In this study, we collected Amanita specimens in Korea from 2009 to 2015 and classified 22 of them as subgenus Lepidella based on the morphology. Phylogenetic analysis of the 22 Amanita specimens based on the internal transcribed spacers sequences identified 16 phylogenetic species which included three undescribed Amanita species (A. sepiacea, A. modesta and A. kotohiraensis). Microscopic features of newly recorded Amanita species were photographed and line drawings were made. All collections cited here are deposited in the Herbarium Conservation Center of the National Institute of Agricultural Sciences.

Morphology and Ecological Notes on the Larvae and Pupae of Simulium (Simulium) from Korea

  • Kim, Sam-Kyu
    • Animal Systematics, Evolution and Diversity
    • /
    • v.31 no.4
    • /
    • pp.209-246
    • /
    • 2015
  • Morphological features of larvae and pupae of twelve species of Simulium (Simulium) from Korea are investigated and redescribed. Detailed descriptions of immature stages of each species are provided with photographs. For the Korean members of subgenus Simulium, combinations of the following characteristics can be used to separate them from other Korean subgenera: larval abdomen without a pair of conical-shaped ventral tubercles; postgenal cleft variously shaped, viz., miter shaped, spearhead, bullet shaped or triangular; rectal papillae 3 simple lobe or compound lobes; pupal gill of 6-16 filaments; cocoon shoe, boot or slipper shaped; and head trichomes 3 pairs (1 facial+2 frontal). Habitat information and other ecological aspects of each species are provided. Updated keys to larvae and pupae of the Korean species of the subgenus Simulium are also provided to facilitate species identification. Taxonomic treatment based on external morphologies of larvae and pupae of Korean species of the subgenus Simulium are focused and included in this study. To understand their interspecific relationships, phylogenetic analyses using multiple data from molecule, morphology, and ecology are warranted in future research. Also continued exploration for new character systems is needed to establish more stable boundaries for subgenus and species delimitations.

Notes on Some Unrecorded Species of Arbuscular Mycorrhizal Fungi Collected from Rhizospheres of Plants in Korea (식물 근권토양에서 분리한 수지상균근균)

  • Lee, Eun-Hwa;Lee, Jeong-Yoon;Eo, Ju-Kyeong;Ka, Kang-Hyeon;Eom, Ahn-Heum
    • The Korean Journal of Mycology
    • /
    • v.42 no.4
    • /
    • pp.306-311
    • /
    • 2014
  • In this study, arbuscular mycorrhizal fungi (AMF) were isolated and cultivated from rhizospheres of various plants in Korea. Five species belonging to four genus were identified based on spore morphology and 18S rDNA sequence analysis: Acaulospora cavernata Claroideoglomus luteum, Diversispora aurantium, D. trimurales, Rhizophagus irregularis. These fungal species have not been cultivated or reported to date in Korea, Morphological description and phylogenetic analysis for each species were presented. This result could be useful for research of AMF diversity in Korea.

Spermatogenesis in three Korean shrews and notes on their phylogenetic significance (한국산 땃쥐류 3종의 정장형성 및 이들의 계통 유연관계에 대한 소고찰)

  • 정순정;윤명희
    • Journal of Life Science
    • /
    • v.11 no.3
    • /
    • pp.218-229
    • /
    • 2001
  • The cycle of the seminiferous epithelium and spermiogenesis in three species if the genus Crocidura, the lesser white-toothed shrew, C. suaveolens, the Japanese white-toothed shrew, C. dsinezumi and the big(=Ussuri) white-toothed shrew C. lasiura, in the breeding season were studied with light and electron microscopes. The three species examined are distinguished from each other in the morphology of the seminiferous epithelium and the spermiogenesis, suggesting that these morphological characteristics are useful for the identification of the species. C. dsinezumi and C. lasiura, however, share many characteristics which are not common in C. suaveolens, as follows: In both species, 1) the cycle of the seminiferous epithelium is composed of 10 stages against 11 stages in C. suaveloens; 2) the earliest intermediated type spermatogonia is observed at stage I against stage III in C. suaveolens; 3) the spermatids of step 5 is observed during the stages V-VI against stages V-VII in C. suaveolens; 4) the acrosomal extension occurs during the stages VIII-X against tages IX-XI in C. suaveolens; 5) the condensation of the nucleus occurs simultaneously whereas it begins from the middle and along the nuclear membrane in C. suaveolens; 6) the capitular length in acrosome phase is shorter(about 2/3 of the diameter of the proximal centriole) than in C. suaveolens(longer than the diameter of proximal centriole; 7) length of the post nuclear cap is shorter(less than a half of the nucleus) than in C. suaveolens(about a half on the nucleus). Hudging from the similarities in the spermatogenesis in C. dsinezumi and C. lasiura, the relationship between them seems to be close compared to those with C. suaveolens.

  • PDF

Notes on Five Unrecorded Endophytic Fungi Isolated from Coniferous Leaves and Orchid Roots in Korea (한국에 서식하는 침엽수의 잎과 난초과 식물의 뿌리에서 분리한 5종의 국내 미기록 내생균)

  • Park, Hyeok;Lee, Bong-Hyung;Bae, Yu-Ra;Kim, Dong-Yeo;Eom, Ahn-Heum
    • The Korean Journal of Mycology
    • /
    • v.44 no.4
    • /
    • pp.365-370
    • /
    • 2016
  • We collected leaves of Pinus koraiensis and Thuja koraiensis and roots of Bletilla striata from various sites in Korea. The leaf and root samples were surface-sterilized and endophytic fungi were isolated. Fungal isolates were identified based on their morphological characteristics and a phylogenetic analysis of internal transcribed spacer regions, large subunit regions, and the ${\beta}$-tubulin gene. Consequently, we identified five species of endophytic fungi, namely Colletotrichum simmondsii, Fusarium sterilihyphosum, Diatrypella pulvinata, Ochroconis globalis, and Sphaeria chrysosperma. These species have not been previously reported in Korea and we report them here with descriptions and illustrations.