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Wang XC, Yang ZL, Chen SL, Bau T, Li TH, Li L, Fan L, Zhuang WY. Phylogeny and Taxonomic Revision of the Family Discinaceae ( Pezizales, Ascomycota). Microbiol Spectr 2023; 11:e0020723. [PMID: 37102868 PMCID: PMC10269896 DOI: 10.1128/spectrum.00207-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Accepted: 03/20/2023] [Indexed: 04/28/2023] Open
Abstract
Species of Discinaceae are common macrofungi with a worldwide distribution. Some of them are commercially consumed, while a few others are reported as poisonous. Two genera were accepted in the family: the epigeous Gyromitra with discoid, cerebriform to saddle-shaped ascomata and the hypogeous Hydnotrya with globose or tuberous ascomata. However, due to discrepancies in their ecological behaviors, a comprehensive investigation of their relationship was not thoroughly explored. In this study, phylogenies of Discinaceae were reconstructed using sequence analyses of combined and separate three gene partitions (internal transcribed spacer [ITS], large subunit ribosomal DNA [LSU], and translation elongation factor [TEF]) with a matrix containing 116 samples. As a result, the taxonomy of the family was renewed. Eight genera were recognized: two of them (Gyromitra and Hydnotrya) were retained, three (Discina, Paradiscina, and Pseudorhizina) were revived, and three (Paragyromitra, Pseudodiscina, and Pseudoverpa) were newly established. Nine new combinations were made in four genera. Two new species in Paragyromitra and Pseudodiscina and an un-named taxon of Discina were described and illustrated in detail based on the materials collected from China. Furthermore, a key to the genera of the family was also provided. IMPORTANCE Taxonomy of the fungal family Discinaceae (Pezizales, Ascomycota) was significantly renewed on the basis of sequence analyses of internal transcribed spacer (ITS), large subunit ribosomal DNA (LSU), and translation elongation factor (TEF). Eight genera were accepted, including three new genera; two new species were described; and nine new combinations were made. A key to the accepted genera of the family is provided. The aim of this study is to deepen the understanding of the phylogenetic relationships among genera of the group, as well as the associated generic concepts.
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Affiliation(s)
- Xin-Cun Wang
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
| | - Zhu-Liang Yang
- Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - Shuang-Lin Chen
- College of Life Sciences, Nanjing Normal University, Nanjing, China
| | - Tolgor Bau
- Key Laboratory of Edible Fungi Resources and Utilization (North), Ministry of Agriculture and Rural Affairs, Jilin Agricultural University, Changchun, Jilin, China
| | - Tai-Hui Li
- Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, China
| | - Lin Li
- College of Agronomy and Biosciences, Dali University, Dali, China
| | - Li Fan
- College of Life Science, Capital Normal University, Beijing, China
| | - Wen-Ying Zhuang
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
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Zhang M, Xie DC, Wang CQ, Deng WQ, Li TH. New insights into the genus Gyroporus (Gyroporaceae, Boletales), with establishment of four new sections and description of five new species from China. Mycology 2022; 13:223-242. [PMID: 35938079 PMCID: PMC9354645 DOI: 10.1080/21501203.2022.2094012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Species of Gyroporus from southern China were studied in this study. Based on morphology and molecular phylogenetic analyses of DNA sequences from the nuclear ribosomal internal transcribed spacer (ITS), the nuclear ribosomal large subunit (nrLSU), and the mitochondrial adenosine triphosphate ATP synthase subunit 6 (atp6), Gyroporus was divided into four main branches in the phylogenetic tree, and four sections were firstly proposed i.e. Gyroporus sect. Castaneus, G. sect. Cyanescens, G. sect. Longicystidiatus and G. sect. Pallidus. Five new species, i.e. G. alboluteus, G. atrocyanescens, G. pseudolongicystidiatus, G. pallidus and G. subcaerulescens, were revealed from China, and their phylogenetic positions were also analysed. Among them, G. alboluteus and G. pallidus were nested into the sect. Pallidus, although morphologically similar to G. castaneus; G. atrocyanescens and G. subcaerulescens, with obvious cyanescent oxidation reactions, were nested into the sect. Cyanescens; and G. pseudolongicystidiatus characterised by its long cystidia and was nested into the sect. Longicystidiatus. The new species were formally described and illustrated in the present study, and a key to the sections and species of Gyroporus in China was provided.
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Affiliation(s)
- Ming Zhang
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, Guangdong Province, China
| | - De-Chun Xie
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, Guangdong Province, China
- Department of Public Health Laboratory Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - Chao-Qun Wang
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, Guangdong Province, China
| | - Wang Qiu Deng
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, Guangdong Province, China
| | - Tai-Hui Li
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, Guangdong Province, China
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He MQ, Wang MQ, Chen ZH, Deng WQ, Li TH, Vizzini A, Jeewon R, Hyde KD, Zhao RL. Potential benefits and harms: a review of poisonous mushrooms in the world. FUNGAL BIOL REV 2022. [DOI: 10.1016/j.fbr.2022.06.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Li JP, Antonín V, Gates G, Jiang L, Li TH, Li Y, Song B, Deng CY. Emending Gymnopus sect. Gymnopus (Agaricales, Omphalotaceae) by including two new species from southern China. MycoKeys 2022; 87:183-204. [PMID: 35437417 PMCID: PMC8917118 DOI: 10.3897/mycokeys.87.76125] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Accepted: 01/30/2022] [Indexed: 11/12/2022] Open
Abstract
Based on phylogenetic analyses, some newly studied Chinese mushroom specimens were found to represent two distinct species within the genus Gymnopus. Along with G. fusipes (sect. Gymnopus) they form a distinct clade with high support, although their macromorphological characters seem to be closer to members of Gymnopus sect. Levipedes or sect. Vestipedes (Collybiopsis). When examined in detail, their micromorphological characters, especially the type of pileipellis, support them as new members of G. sect. Gymnopus. Therefore, two new species, G. omphalinoides and G. schizophyllus, and the emended circumscription of sect. Gymnopus are proposed in this paper. Detailed morphological descriptions, colour photos, illustrations of the two new species, morphological comparisons with similar taxa and the molecular-phylogenetic analyses of the combined nrITS and nrLSU data are presented. A key to the known species of G. sect. Gymnopus is also presented.
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Liu C, Wu CL, Qi XL, Sun HW, Li TH, Guo SW, Zhang P. [Clinical effect of endoscopic transnasal sphenoidal approach with simple muscle packing for intrasellar arachnoid cyst]. Zhonghua Wai Ke Za Zhi 2022; 60:169-173. [PMID: 35012278 DOI: 10.3760/cma.j.cn112139-20210804-00353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Objective: To examine the clinical effect of simple muscle packing through transnasal sphenoid approach in the treatment of intrasellar arachnoid cyst. Methods: The clinical data of 11 patients with intrasellar arachnoid cyst treated by transnasal sphenoidal approach with simple muscle packing at the Neurosurgery Department of the First Affiliated Hospital of Zhengzhou University from January 2014 to February 2020 were retrospectively analyzed. There were 5 males and 6 females, with a median age of 48 years (range: 23 to 75 years). The clinical manifestations included headache in 6 cases, dizziness in 4 cases, hypo-libido in 1 case, disturbance of consciousness in 1 case, visual impairment in 7 cases and mixed pituitary dysfunction in 5 cases. The enlargement of the sellar fossa was seen in the preoperative MRI images. The enhanced MRI images showed that the cyst wall of the intrasellar arachnoid cyst was not enhanced, and the compression and thinning of the sellar base was seen in the CT images. In 9 cases, the cyst extended suprasellar and the sellar septum was "arched". In 7 cases, the cyst compressed the optic chiasm upward. The cyst walls of all patients were incised through the nasal sphenoid approach under the endoscope, and the muscle was packed after sufficient drainage. The postoperative symptoms, pituitary endocrine function and recurrence of patients were followed up. Results: MRI images of the sellar region in all patients showed significant reduction or disappearance of cysts. Intracranial infection occurred in 1 case and electrolyte disorder in 2 cases, which were relieved after symptomatic treatment. No cerebrospinal fluid rhinorrhea occurred. Postoperative clinical symptoms were completely relieved in 6 cases and partially relieved in 5 cases. Pituitary endocrine function recovered completely in 2 cases and improved significantly in 4 cases. All patients were followed up for 10 to 40 months. One patient found to have a partial recurrence of the cyst 3 months after surgery. Because there were no new symptoms appeared, the follow-up was continued without second operation. Conclusion: Transnasal sphenoidal approach is a feasible method for the treatment of intrasellar arachnoid cyst.
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Affiliation(s)
- C Liu
- Department of Neurosurgery, the First Affiliated Hospital of Zhengzhou University,Zhengzhou 450052,China
| | - C L Wu
- Department of Neurosurgery, the First Affiliated Hospital of Zhengzhou University,Zhengzhou 450052,China
| | - X L Qi
- Department of Neurosurgery, the First Affiliated Hospital of Zhengzhou University,Zhengzhou 450052,China
| | - H W Sun
- Department of Neurosurgery, the First Affiliated Hospital of Zhengzhou University,Zhengzhou 450052,China
| | - T H Li
- Department of Neurosurgery, the First Affiliated Hospital of Zhengzhou University,Zhengzhou 450052,China
| | - S W Guo
- Department of Neurosurgery, the First Affiliated Hospital of Zhengzhou University,Zhengzhou 450052,China
| | - P Zhang
- Department of Neurosurgery, the First Affiliated Hospital of Zhengzhou University,Zhengzhou 450052,China
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Li YQ, Fang Z, Zhang DL, Dong RB, Zhou ZH, Li TH, Yang X, Sun TW. [Correlation between the pre-and post-operative sagittal parameters and the quality of life in patients with degenerative and isthmic spondylolisthesis]. Zhonghua Yi Xue Za Zhi 2022; 102:228-234. [PMID: 35042293 DOI: 10.3760/cma.j.cn112137-20210720-01614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Objective: To assess the relationship between health-related quality of life (HRQOL) and spinal sagittal parameters in patients with degenerative and isthmic spondylolisthesis before and after surgery, and to provide a biomechanical basis for improving the clinical prognosis of such patients. Methods: A retrospective analysis of 63 patients with lumbar spondylolisthesis who received lumbar fusion surgery in the Department of Spine Surgery, Tianjin Union Medical Center from December 2017 to June 2020 was carried out. There were 16 males and 47 females with a mean age of (59±8) years. Subgroup analyses were conducted based on disease type (degenerative lumbar spondylolisthesis (DS) and the isthmic spondylolisthesis (IS)) and HRQOL scores. Patients were evaluated post-operatively to observe the improvement of symptoms and quality of life. The relationship between operative related factors, HRQOL scores before and after surgery, and spino-pelvic sagittal parameters (including sagittal axis of the spine, lumbar lordosis angle, pelvic incidence angle, pelvic tilt angle (PT), sacral tilt angle, matching degree of pelvic incidence angle (PI) and lumbar lordosis angle (LL), lumbar 1 vertebra plumb line, upper lumbar curve, lower lumbar curve) in the two groups were analyzed. The correlation between the improvement of HRQOL scores and spino-pelvic sagittal parameters in the DS group and the IS group was analyzed and compared. Results: There were significant differences between postoperative HRQOL scores compared with those before the operation in both the DS and IS groups at three times of follow-up after the operation (all P<0.05). There was no difference in the last HRQOL score, the number of surgical segments, operation time and intraoperative blood loss between the two groups (all P>0.05). The parameters of PT and PI-LL in DS patients with VAS back pain score>3 and ≤3 were statistically different (13.7°±6.4° vs 26.6°±7.4°, 5.1°±8.2° vs 18.2°±13.1°, respectively, both P<0.05), similar results were obtained in IS patients (14.1°±6.9° vs 16.4°±8.7°, 2.9°±9.7° vs 6.8°±9.8°, respectively, both P<0.05). In addition, the parameters of PT and PI-LL between patients with ODI>20 and ≤20 were all statistically different in the two groups at the last follow-up after surgery (all P<0.05). The improvement of VAS back pain score in DS and IS groups was significantly related to the improvement of PT value, respectively (r=0.76, 0.78, both P<0.05). The PT, LL and PI-LL were significantly correlated with the ODI in the DS group (r=0.60, 0.62, 0.50, all P<0.05). There was also a correlation between the improvement of ODI and PT, LL and PI-LL in the IS group, respectively (r=0.22, 0.41, 0.76, all P<0.05). Conclusions: Certain correlation exists between the HRQOL and spinal sagittal parameters in patients with degenerative and isthmic spondylolisthesis before and after surgery. For the treatment of lumbar spondylolisthesis and improvement of quality of life, the primary goal is to reconstruct the matching degree of the lumbar lordosis angle and PI, and to reduce the PT value to the normal range by tilting the pelvis forward.
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Affiliation(s)
- Y Q Li
- Graduate School, Tianjin Medical University, Tianjin 300070, China
| | - Z Fang
- Spinal Surgery, Tianjin Union Medical Center, Tianjin 300121, China
| | - D L Zhang
- Joint Surgery, Tianjin Union Medical Center, Tianjin 300121, China
| | - R B Dong
- Graduate School, Tianjin Medical University, Tianjin 300070, China
| | - Z H Zhou
- Spinal Surgery, Tianjin Union Medical Center, Tianjin 300121, China
| | - T H Li
- Graduate School, Tianjin Medical University, Tianjin 300070, China
| | - X Yang
- Orthopaedic Surgery, Huanggang Central Hospital,Huanggang 438000, China
| | - T W Sun
- Spinal Surgery, Tianjin Union Medical Center, Tianjin 300121, China
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Li T, Deng WQ, Song B, Zhang M, Wang M, Li TH. Two new species of Phallus (Phallaceae) with a white indusium from China. MycoKeys 2021; 85:109-125. [PMID: 35068983 PMCID: PMC8702534 DOI: 10.3897/mycokeys.85.75309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 11/29/2021] [Indexed: 11/15/2022] Open
Abstract
Two new Phallus species, P.cremeo-ochraceus and P.rigidiindusiatus were discovered in southwestern and southern China, respectively. Phalluscremeo-ochraceus is morphologically characterized by its cream to ochraceous receptacle, white to very slightly pinkish indusium, white to pinkish pseudostipe and white to slightly purplish pink volva. Phallusrigidiindusiatus is characterized by a white to yellowish white receptacle, a strongly rigid indusium usually without serrated margin and smaller basidiospores than those of P.serratus. Phylogenetic positions of the two species are located in two independent lineages respectively. Detailed descriptions, color photographs, illustrations and a key to the related species are presented.
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Affiliation(s)
- Ting Li
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture, Collection and Application, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, ChinaInstitute of Microbiology, Guangdong Academy of SciencesGuangzhouChina
- College of Science, Tibet University, Lhasa 850011, ChinaTibet UniversityLhasaChina
| | - Wang-Qiu Deng
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture, Collection and Application, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, ChinaInstitute of Microbiology, Guangdong Academy of SciencesGuangzhouChina
| | - Bin Song
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture, Collection and Application, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, ChinaInstitute of Microbiology, Guangdong Academy of SciencesGuangzhouChina
| | - Ming Zhang
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture, Collection and Application, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, ChinaInstitute of Microbiology, Guangdong Academy of SciencesGuangzhouChina
| | - Mu Wang
- Tibet Agricultural and Animal Husbandry University, Nyingchi 860000, China.Tibet Agricultural and Animal Husbandry UniversityNyingchiChina
| | - Tai-Hui Li
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture, Collection and Application, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, ChinaInstitute of Microbiology, Guangdong Academy of SciencesGuangzhouChina
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Zhang M, Wang CQ, Buyck B, Deng WQ, Li TH. Multigene Phylogeny and Morphology Reveal Unexpectedly High Number of New Species of Cantharellus Subgenus Parvocantharellus (Hydnaceae, Cantharellales) in China. J Fungi (Basel) 2021; 7:jof7110919. [PMID: 34829207 PMCID: PMC8623453 DOI: 10.3390/jof7110919] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Revised: 10/24/2021] [Accepted: 10/25/2021] [Indexed: 11/16/2022] Open
Abstract
The genus Cantharellus, commonly known as chanterelles, has recently been divided into six subgenera; however, wider sampling approaches are needed to clarify the relationships within and between these groups. A phylogenetic overview of Cantharellus subgenus Parvocantharellus in China was inferred based on the large subunit nuclear ribosomal RNA gene (nrLSU), the DNA-directed RNA polymerase II subunit 2 (rpb2), and the transcription elongation factor 1-alpha (tef1). A total of nine species from China were assigned to the subgenus, including seven novel species, namely Cantharellusaurantinus, C. austrosinensis, C. galbanus, C. luteolus, C. luteovirens, C. minioalbus, and C. sinominior, and two known species, namely C. albus and C. zangii. The detailed descriptions and illustrations were provided based on the newly obtained data, with the comparisons to closely related species. C. zangii was restudied based on the paratype specimens and multiple new collections from the type locality. Futhermore, the Indian species C. sikkimensis was identified as a synonym of C. zangii based on the morphological and molecular analyses. A key to the Chinese species belonging to the subg. Parvocantharellus is also provided.
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Affiliation(s)
- Ming Zhang
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China; (M.Z.); (C.-Q.W.); (W.-Q.D.)
| | - Chao-Qun Wang
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China; (M.Z.); (C.-Q.W.); (W.-Q.D.)
| | - Bart Buyck
- Institut Systématique, Evolution, Biodiversité (ISYEB), UMR 7205, Muséum National d’Histoire Naturelle, Sorbonne Université, CNRS, Case Postale 39, 12 rue Buffon, F-75005 Paris, France;
| | - Wang-Qiu Deng
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China; (M.Z.); (C.-Q.W.); (W.-Q.D.)
| | - Tai-Hui Li
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China; (M.Z.); (C.-Q.W.); (W.-Q.D.)
- Correspondence:
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Wang CQ, Zhang M, Li TH. Three new species from Guangdong Province of China, and a molecular assessment of Hygrocybe subsection Hygrocybe. MycoKeys 2020; 75:145-161. [PMID: 33343219 PMCID: PMC7744385 DOI: 10.3897/mycokeys.75.59600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Accepted: 11/11/2020] [Indexed: 11/13/2022] Open
Abstract
Blackening waxcaps (Hygrocybe subsect. Hygrocybe) are a group of colorful and attractive mushrooms. However, the species diversity of subsect. Hygrocybe in China is still poorly known due to the limited sampling. In this study, three new species of this group from Guangdong Province, China are described and illustrated based on their morphological characteristics and molecular analyses of the internal transcribed spacer and large subunit ribosomal DNA regions. Hygrocybe debilipes from grasslands of South China Sea islands is mainly characterized by its orange red to vivid red pileus, fragile stipe, and ellipsoid to oblong basidiospores; H. griseonigricans from woodlands is characterized by its whitish to dull yellow pileus, quick black discoloration and the globose, subglobose to broadly ovoid basidiospores; H. rubroconica from woodlands is characterized by the hemispheric to plano-convex pileus when mature, semitranslucent fibrose stipe, and globose to ellipsoid basidiospores.
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Affiliation(s)
- Chao-Qun Wang
- Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, Guangdong, ChinaGuangdong Institute of MicrobiologyGuangzhouChina
| | - Ming Zhang
- Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, Guangdong, ChinaGuangdong Institute of MicrobiologyGuangzhouChina
| | - Tai-Hui Li
- Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, Guangdong, ChinaGuangdong Institute of MicrobiologyGuangzhouChina
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Wang CQ, Li TH, Zhang M, He XL, Qin WQ, Liu TZ, Zeng NK, Wang XH, Liu JW, Wei TZ, Xu J, Li YQ, Shen YH. Hygrophorus subsection Hygrophorus (Hygrophoraceae, Agaricales) in China. MycoKeys 2020; 68:49-73. [PMID: 32675938 PMCID: PMC7334244 DOI: 10.3897/mycokeys.68.53264] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Accepted: 05/16/2020] [Indexed: 11/12/2022] Open
Abstract
Hygrophorus subsect. Hygrophorus has been relatively well-studied in Europe and North America, but studies on the taxa in Asia, particularly in China, are still limited. In this study, phylogenetic overviews of genus Hygrophorus, based on the nuclear large subunit (LSU) ribosomal RNA gene and of subsect. Hygrophorus, based on the nuclear ribosomal internal transcribed spacer (ITS) regions were generated. Four new species, i.e. H. brunneodiscus, H. fuscopapillatus, H. glutiniceps and H. griseodiscus are described from southern China; and a rarely reported edible species H. hedrychii is described in detail, based upon the materials from north-eastern China. The main characteristics of the species under subsect. Hygrophorus worldwide are summarised in a table.
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Affiliation(s)
- Chao-Qun Wang
- Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, Guangdong, China Guangdong Institute of Microbiology, Guangdong Academy of Sciences Guangdong China
| | - Tai-Hui Li
- Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, Guangdong, China Guangdong Institute of Microbiology, Guangdong Academy of Sciences Guangdong China
| | - Ming Zhang
- Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, Guangdong, China Guangdong Institute of Microbiology, Guangdong Academy of Sciences Guangdong China
| | - Xiao-Lan He
- Soil and Fertilizer Institute, Sichuan Academy of Agricultural Sciences, Chengdu 610066, Sichuan, China Soil and Fertilizer Institute, Sichuan Academy of Agricultural Sciences Chengdu China
| | - Wei-Qiang Qin
- Jishou University, Zhangjiajie 427000, Hunan, China Jishou University Hunan China
| | - Tie-Zhi Liu
- College of Life Sciences, Chifeng University, Chifeng 024000, Inner Mongolia, China Chifeng University Chifeng China
| | - Nian-Kai Zeng
- College of Pharmacy-Transgenic Laboratory, Hainan Medical University, Haikou 571199, Hainan, China Hainan Medical University Haikou China
| | - Xiang-Hua Wang
- Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, Yunnan, China Kunming Institute of Botany, Chinese Academy of Sciences Kunming China
| | - Jian-Wei Liu
- Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, Yunnan, China Kunming Institute of Botany, Chinese Academy of Sciences Kunming China
| | - Tie-Zheng Wei
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China Institute of Microbiology, Chinese Academy of Sciences Beijing China
| | - Jiang Xu
- Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, Guangdong, China Guangdong Institute of Microbiology, Guangdong Academy of Sciences Guangdong China
| | - Yue-Qiu Li
- Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, Guangdong, China Guangdong Institute of Microbiology, Guangdong Academy of Sciences Guangdong China
| | - Ya-Heng Shen
- Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, Guangdong, China Guangdong Institute of Microbiology, Guangdong Academy of Sciences Guangdong China
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He Y, Zhang CH, Deng WQ, Zhou XY, Li TH, Li CH. Transcriptome sequencing analysis of the MSDIN gene family encoding cyclic peptides in lethal Amanita fuligineoides. Toxicon 2020; 183:61-68. [PMID: 32473253 DOI: 10.1016/j.toxicon.2020.05.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 05/18/2020] [Accepted: 05/19/2020] [Indexed: 10/24/2022]
Abstract
Amanita fuligineoides, a lethal mushroom discovered in China, contains abundant cyclic peptide toxins that can cause fatal poisoning. However, the MSDIN gene family encoding for these cyclic peptides in A. fuligineoides has not been systematically studied. In this research, the transcriptome sequencing of A. fuligineoides was performed and its MSDIN family members were analyzed. A total of 4.41 Gb data containing 30833 unigenes was obtained; sequence alignments throughout several databases were done to obtain their functional annotations. Based on these annotations, MSDIN genes were found and verified by RT-PCR. A total of 29 different core peptides were obtained: 3 toxin genes, encoding β-amanitin (β-AMA), phalloidin (PHD), and phallacidin (PCD), and 26 genes encoding unknown cyclic peptides, 20 of which are reported for the first time and may encode for novel cyclic peptides. Analysis of the predicted precursor peptides indicated that octocyclic peptides were the main MSDIN peptides synthesized by A. fuligineoides, accounting for the 45%. A phylogenetic analysis suggested that studied precursor peptides could be clustered into 7 clades, which might represent different functionalities. Results suggested that A. fuligineoides might have a strong capacity to synthesize cyclopeptides, laying the foundation for their excavation and utilization.
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Affiliation(s)
- Yong He
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, 510070, China.
| | - Cheng-Hua Zhang
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, 510070, China.
| | - Wang-Qiu Deng
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, 510070, China.
| | - Xiao-Yun Zhou
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, 410128, China.
| | - Tai-Hui Li
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, 510070, China.
| | - Chuan-Hua Li
- Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, Shanghai, 201403, China.
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He XL, Horak E, Wang D, Li TH, Peng WH, Gan BC. Corrigendum: He XL, Horak E, Wang D, Li TH, Peng WH, Gan BC (2019) Descriptions of five new species in Entoloma subgenus Claudopus from China, with molecular phylogeny of Entoloma s.l. MycoKeys 61: 1–26. https://doi.org/10.3897/mycokeys.61.46446. MycoKeys 2020; 63:163-172. [PMID: 32189980 PMCID: PMC7062847 DOI: 10.3897/mycokeys.63.49739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Accepted: 01/15/2020] [Indexed: 11/12/2022] Open
Abstract
Entoloma subgenus Claudopus is widely distributed, yet the taxonomy and systematics of its species are still poorly documented. In the present study, more than forty collections of Claudopus were gathered in China and subsequently analysed, based on morphological and molecular data. The results revealed first a high level of species diversity of Claudopus in China and second, there is a wide ecological range regarding the substrates and the habitats ranging from temperate, tropical to subalpine locations. Based on morphological and molecular evidence, five novel species from China are proposed, viz. E. conchatum, E. flabellatum, E. gregarium, E. pleurotoides and E. reductum. Molecular phylogeny of Entoloma s.l. was also reconstructed, based on 187 representatives of Entoloma s.l. by employing the combined ITS, LSU, mtSSU and RPB2 sequences. Ten monophyletic clades (Claudopus, Leptonia, Nolanea, Cuboid-spored Inocephalus, &ldquo;Alboleptonia&rdquo;, Cyanula, Pouzarella, Rhodopolia, Prunuloides and Rusticoides) were recovered, while 13 taxa could not be placed in any defined clades. The results confirmed that Claudopus in a traditional morphological sense is not monophyletic and the Rusticoides-group, previously considered within Claudopus, formed a separate clade; but section Claudopus and relatives of E. undatum belong to a distinctive monophyletic group. Despite some monophyletic groups in Entoloma s.l. being distinctive in both morphology and molecular phylogeny, they were still treated as subgenera of Entoloma s.l. temporarily, because accepting them as genera will make Entoloma s.l. paraphyletic.
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Zhang M, Li TH, Wang CQ, Zeng NK, Deng WQ. Phylogenetic overview of Aureoboletus (Boletaceae, Boletales), with descriptions of six new species from China. MycoKeys 2019; 61:111-145. [PMID: 31885464 PMCID: PMC6930312 DOI: 10.3897/mycokeys.61.47520] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Accepted: 11/29/2019] [Indexed: 11/12/2022] Open
Abstract
In this study, species relationships of the genus Aureoboletus were studied, based on both morphological characteristics and a four-gene (nrLSU, tef1-a, rpb1 and rpb2) phylogenetic inference. Thirty-five species of the genus have been revealed worldwide, forming eight major clades in the phylogenetic tree, of which twenty-four species have been found in China, including six new species: A. glutinosus, A. griseorufescens, A. raphanaceus, A. sinobadius, A. solus, A. velutipes and a new combination A. miniatoaurantiacus (Bi & Loh) Ming Zhang, N.K. Zeng & T.H. Li proposed here. A key to 24 known Chinese species has been provided.
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Affiliation(s)
- Ming Zhang
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China
| | - Tai-Hui Li
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China
| | - Chao-Qun Wang
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China
| | - Nian-Kai Zeng
- Department of Pharmacy, Hainan Medical University, Haikou 571101, China
| | - Wang-Qiu Deng
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China
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14
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He XL, Horak E, Wang D, Li TH, Peng WH, Gan BC. Descriptions of five new species in Entoloma subgenus Claudopus from China, with molecular phylogeny of Entoloma s.l. MycoKeys 2019; 61:1-26. [PMID: 31844415 PMCID: PMC6908510 DOI: 10.3897/mycokeys.61.46446] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Accepted: 10/21/2019] [Indexed: 11/12/2022] Open
Abstract
EntolomasubgenusClaudopus is widely distributed, yet the taxonomy and systematics of its species are still poorly documented. In the present study, more than forty collections of Claudopus were gathered in China and subsequently analysed, based on morphological and molecular data. The results revealed first a high level of species diversity of Claudopus in China and second, there is a wide ecological range regarding the substrates and the habitats ranging from temperate, tropical to subalpine locations. Based on morphological and molecular evidence, five novel species from China are proposed, viz. E.conchatum, E.flabellatum, E.gregarium, E.pleurotoides and E.reductum. Molecular phylogeny of Entoloma s.l. was also reconstructed, based on 187 representatives of Entoloma s.l. by employing the combined ITS, LSU, mtSSU and RPB2 sequences. Ten monophyletic clades (Claudopus, Leptonia, Nolanea, Cuboid-spored Inocephalus, “Alboleptonia”, Cyanula, Pouzarella, Rhodopolia, Prunuloides and Rusticoides) were recovered, while 13 taxa could not be placed in any defined clades. The results confirmed that Claudopus in a traditional morphological sense is not monophyletic and the Rusticoides-group, previously considered within Claudopus, formed a separate clade; but section Claudopus and relatives of E.undatum belong to a distinctive monophyletic group. Despite some monophyletic groups in Entoloma s.l. being distinctive in both morphology and molecular phylogeny, they were still treated as subgenera of Entoloma s.l. temporarily, because accepting them as genera will make Entoloma s.l. paraphyletic.
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Affiliation(s)
- Xiao-Lan He
- Soil and Fertilizer Institute, Sichuan Academy of Agricultural Sciences, Chengdu 610066, China Sichuan Academy of Agricultural Sciences Chengdu China
| | - Egon Horak
- Schlossfeld 17, A-6020 Innsbruck, Austria N/A Innsbruck Austria
| | - Di Wang
- Soil and Fertilizer Institute, Sichuan Academy of Agricultural Sciences, Chengdu 610066, China Sichuan Academy of Agricultural Sciences Chengdu China
| | - Tai-Hui Li
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China Guangdong Institute of Microbiology Guangzhou China
| | - Wei-Hong Peng
- Soil and Fertilizer Institute, Sichuan Academy of Agricultural Sciences, Chengdu 610066, China Sichuan Academy of Agricultural Sciences Chengdu China
| | - Bing-Cheng Gan
- Soil and Fertilizer Institute, Sichuan Academy of Agricultural Sciences, Chengdu 610066, China Sichuan Academy of Agricultural Sciences Chengdu China
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15
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Song J, Liang JF, Mehrabi-Koushki M, Krisai-Greilhuber I, Ali B, Bhatt VK, Cerna-Mendoza A, Chen B, Chen ZX, Chu HL, Corazon-Guivin MA, da Silva GA, De Kesel A, Dima B, Dovana F, Farokhinejad R, Ferisin G, Guerrero-Abad JC, Guo T, Han LH, Ilyas S, Justo A, Khalid AN, Khodadadi-Pourarpanahi S, Li TH, Liu C, Lorenzini M, Lu JK, Mumtaz AS, Oehl F, Pan XY, Papp V, Qian W, Razaq A, Semwal KC, Tang LZ, Tian XL, Vallejos-Tapullima A, van der Merwe NA, Wang SK, Wang CQ, Yang RH, Yu F, Zapparoli G, Zhang M, Antonín V, Aptroot A, Aslan A, Banerjee A, Chatterjee S, Dirks AC, Ebrahimi L, Fotouhifar KB, Ghosta Y, Kalinina LB, Karahan D, Liu J, Maiti MK, Mookherjee A, Nath PS, Panja B, Saha J, Ševčíková H, Voglmayr H, Yazıcı K, Haelewaters D. Fungal Systematics and Evolution: FUSE 5. Sydowia 2019; 71:141-245. [PMID: 31975743 PMCID: PMC6978154 DOI: 10.12905/0380.sydowia71-2019-0141] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Thirteen new species are formally described: Cortinarius brunneocarpus from Pakistan, C. lilacinoarmillatus from India, Curvularia khuzestanica on Atriplex lentiformis from Iran, Gloeocantharellus neoechinosporus from China, Laboulbenia bernaliana on species of Apenes, Apristus, and Philophuga (Coleoptera, Carabidae) from Nicaragua and Panama, L. oioveliicola on Oiovelia machadoi (Hemiptera, Veliidae) from Brazil, L. termiticola on Macrotermes subhyalinus (Blattodea, Termitidae) from the DR Congo, Pluteus cutefractus from Slovenia, Rhizoglomus variabile from Peru, Russula phloginea from China, Stagonosporopsis flacciduvarum on Vitis vinifera from Italy, Strobilomyces huangshanensis from China, Uromyces klotzschianus on Rumex dentatus subsp. klotzschianus from Pakistan. The following new records are reported: Alternaria calendulae on Calendula officinalis from India; A. tenuissima on apple and quince fruits from Iran; Candelariella oleaginescens from Turkey; Didymella americana and D. calidophila on Vitis vinifera from Italy; Lasiodiplodia theobromae causing tip blight of Dianella tasmanica 'variegata' from India; Marasmiellus subpruinosus from Madeira, Portugal, new for Macaronesia and Africa; Mycena albidolilacea, M. tenuispinosa, and M. xantholeuca from Russia; Neonectria neomacrospora on Madhuca longifolia from India; Nothophoma quercina on Vitis vinifera from Italy; Plagiosphaera immersa on Urtica dioica from Austria; Rinodina sicula from Turkey; Sphaerosporium lignatile from Wisconsin, USA; and Verrucaria murina from Turkey. Multi-locus analysis of ITS, LSU, rpb1, tef1 sequences revealed that P. immersa, commonly classified within Gnomoniaceae (Diaporthales) or as Sordariomycetes incertae sedis, belongs to Magnaporthaceae (Magnaporthales). Analysis of a six-locus Ascomycota-wide dataset including SSU and LSU sequences of S. lignatile revealed that this species, currently in Ascomycota incertae sedis, belongs to Pyronemataceae (Pezizomycetes, Pezizales).
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Affiliation(s)
- Jie Song
- Key Laboratory of State Forestry Administration on Tropical Forestry Research, Research Institute of Tropical Forestry, Chinese Academy of Forestry, Guangzhou 510520, P.R. China
| | - Jun-Feng Liang
- Key Laboratory of State Forestry Administration on Tropical Forestry Research, Research Institute of Tropical Forestry, Chinese Academy of Forestry, Guangzhou 510520, P.R. China
| | - Mehdi Mehrabi-Koushki
- Department of Plant Protection, Faculty of Agriculture, Shahid Chamran University of Ahvaz, Ahvaz, Iran
- Biotechnology and Bioscience Research Center, Shahid Chamran University of Ahvaz, Ahvaz, Iran
| | | | - Barkat Ali
- Department of Plant Sciences, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan
- Department of Biochemistry, Genetics and Microbiology, Division of Genetics, Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, Private Bag X20, Pretoria 0028, South Africa
| | | | - Agustín Cerna-Mendoza
- Laboratorio de Biología y Genética Molecular, Universidad Nacional de San Martín, Jr. Amorarca 315, Morales, Peru
| | - Bin Chen
- Key Laboratory of State Forestry Administration on Tropical Forestry Research, Research Institute of Tropical Forestry, Chinese Academy of Forestry, Guangzhou 510520, P.R. China
| | - Zai-Xiong Chen
- Management Bureau of Danxiashan National Nature Reserve of Guangdong, Shaoguan 512300, China
| | - Hong-Long Chu
- College of Biological Resource and Food Engineering, Center for Yunnan Plateau Biological Resources Protection and Utilization, Qujing Normal University, Qujing, Yunnan 655011, China
| | - Mike Anderson Corazon-Guivin
- Laboratorio de Biología y Genética Molecular, Universidad Nacional de San Martín, Jr. Amorarca 315, Morales, Peru
| | - Gladstone Alves da Silva
- Departamento de Micologia, CB, Universidade Federal de Pernambuco, Av. da engenharia s/n, Cidade Universitária, 50740-600, Recife, PE, Brazil
| | - André De Kesel
- Meise Botanic Garden, Nieuwelaan 38, 1860 Meise, Belgium
| | - Bálint Dima
- Department of Plant Anatomy, Institute of Biology, Eötvös Loránd University, H-1117 Budapest, Hungary
| | - Francesco Dovana
- Department of Life Sciences and Systems Biology, University of Torino, Viale P.A. Mattioli 25, I-10125 Torino, Italy
| | - Reza Farokhinejad
- Department of Plant Protection, Faculty of Agriculture, Shahid Chamran University of Ahvaz, Ahvaz, Iran
| | | | - Juan Carlos Guerrero-Abad
- Laboratorio de Biología y Genética Molecular, Universidad Nacional de San Martín, Jr. Amorarca 315, Morales, Peru
- Instituto Nacional de Innovación Agraria (INIA). Dirección General de Recursos Genéticos y Biotecnología. Av. La Molina 1981, La Molina - Lima, Peru
| | - Ting Guo
- Key Laboratory of Edible Fungal Resources and Utilization (South), National Engineering Research Center of Edible Fungi, Key Laboratory of Agricultural Genetics and Breeding of Shanghai, Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, Shanghai 201106, China
| | - Li-Hong Han
- College of Biological Resource and Food Engineering, Center for Yunnan Plateau Biological Resources Protection and Utilization, Qujing Normal University, Qujing, Yunnan 655011, China
| | - Sobia Ilyas
- Department of Botany, Lahore College for Women University, Lahore, Pakistan
| | - Alfredo Justo
- New Brunswick Museum, 277 Douglas Ave., Saint John, New Brunswick, E2K 1E5, Canada
| | | | | | - Tai-Hui Li
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application & Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangzhou 510070, China
| | - Chao Liu
- College of Biological Resource and Food Engineering, Center for Yunnan Plateau Biological Resources Protection and Utilization, Qujing Normal University, Qujing, Yunnan 655011, China
| | | | - Jun-Kun Lu
- Key Laboratory of State Forestry Administration on Tropical Forestry Research, Research Institute of Tropical Forestry, Chinese Academy of Forestry, Guangzhou 510520, P.R. China
| | - Abdul Samad Mumtaz
- Department of Plant Sciences, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan
| | - Fritz Oehl
- Agroscope, Competence Division for Plants and Plant Products, Ecotoxicology, Müller-Thurgau-Strasse 29, CH-8820 Wädenswil, Switzerland
| | - Xue-Yu Pan
- Key Laboratory of State Forestry Administration on Tropical Forestry Research, Research Institute of Tropical Forestry, Chinese Academy of Forestry, Guangzhou 510520, P.R. China
| | - Viktor Papp
- Department of Botany, Szent István University, H-1518 Budapest, Hungary
| | - Wu Qian
- Bureau of Parks and Woods of Mt. Huangshan Administrative Committee, Huangshan, Anhui 245000, China
| | - Abdul Razaq
- Discipline of Botany, Faculty of Fisheries and Wildlife, University of Veterinary and Animal Sciences (UVAS), Ravi Campus, Pattoki, Pakistan
| | - Kamal C. Semwal
- Department of Biology, College of Sciences, Eritrea Institute of Technology, Mai Nafhi, Asmara, Eritrea
| | - Li-Zhou Tang
- College of Biological Resource and Food Engineering, Center for Yunnan Plateau Biological Resources Protection and Utilization, Qujing Normal University, Qujing, Yunnan 655011, China
| | - Xue-Lian Tian
- College of Biological Resource and Food Engineering, Center for Yunnan Plateau Biological Resources Protection and Utilization, Qujing Normal University, Qujing, Yunnan 655011, China
| | - Adela Vallejos-Tapullima
- Laboratorio de Biología y Genética Molecular, Universidad Nacional de San Martín, Jr. Amorarca 315, Morales, Peru
| | - Nicolaas A. van der Merwe
- Department of Biochemistry, Genetics and Microbiology, Division of Genetics, Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, Private Bag X20, Pretoria 0028, South Africa
| | - Sheng-Kun Wang
- Key Laboratory of State Forestry Administration on Tropical Forestry Research, Research Institute of Tropical Forestry, Chinese Academy of Forestry, Guangzhou 510520, P.R. China
| | - Chao-Qun Wang
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application & Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangzhou 510070, China
| | - Rui-Heng Yang
- Key Laboratory of Edible Fungal Resources and Utilization (South), National Engineering Research Center of Edible Fungi, Key Laboratory of Agricultural Genetics and Breeding of Shanghai, Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, Shanghai 201106, China
| | - Fei Yu
- Key Laboratory of State Forestry Administration on Tropical Forestry Research, Research Institute of Tropical Forestry, Chinese Academy of Forestry, Guangzhou 510520, P.R. China
| | - Giacomo Zapparoli
- Università degli Studi di Verona, Dipartimento di Biotecnologie, Italy
| | - Ming Zhang
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application & Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangzhou 510070, China
| | - Vladimir Antonín
- Department of Botany, Moravian Museum, Zelný trh 6, CZ-659 37 Brno, Czech Republic
| | - André Aptroot
- ABL Herbarium G.v.d.Veenstraat, 107 NL-3762, XK Soest, The Netherlands
| | - Ali Aslan
- Yüzüncü Yıl University, Faculty of Pharmacy, 65080 Campus, Van, Turkey; Kyrgyz-Turkish Manas University, Faculty of Arts and Science, Dept. of Biology, Bishkek, Kyrgyzstan
| | - Arghya Banerjee
- Department of Plant Pathology, Bidhan Chandra Krishi Viswavidyalaya, Nadia-741252, West Bengal, India
| | - Subrata Chatterjee
- Department of Agricultural Entomology, Bidhan Chandra Krishi Viswavidyalaya, Nadia-741252, West Bengal, India
| | - Alden C. Dirks
- Department of Ecology and Evolutionary Biology, University of Michigan, 1105 North University Avenue, 4050 Biological Sciences Building, Ann Arbor, MI 48109, USA
| | - Leila Ebrahimi
- Department of Entomology and Plant Pathology, Aburaihan Campus, University of Tehran, Tehran, 33916-53755, Iran
| | - Khalil-Berdi Fotouhifar
- Department of Plant Protection, Faculty of Agricultural Sciences and Engineering, College of Agriculture and Natural Resources, University of Tehran, Karaj, 31587-77871, Iran
| | - Youbert Ghosta
- Department of Plant Protection, Faculty of Agriculture, Urmia University, Urmia, P. O. Box 165, Iran
| | - Lyudmila B. Kalinina
- Russian Academy of Sciences, Komarov Botanical Institute, Prof. Popov Str. 2, St. Petersburg RU-197376, Russia
| | - Dilara Karahan
- Department of Biology, Faculty of Science, Karadeniz Technical University, 61080, Trabzon, Turkey
| | - Jingyu Liu
- Department of Botany and Plant Pathology, Purdue University, 915 W. State Street, West Lafayette, IN 47907, USA
| | - Mrinal Kumar Maiti
- Department of Biotechnology, Indian Institute of Technology Kharagpur, 721302, West Bengal, India
| | - Abhirup Mookherjee
- Department of Biotechnology, Indian Institute of Technology Kharagpur, 721302, West Bengal, India
| | - Partha Sarathi Nath
- Department of Plant Pathology, Bidhan Chandra Krishi Viswavidyalaya, Nadia-741252, West Bengal, India
| | - Birendranath Panja
- Department of Plant Pathology, Bidhan Chandra Krishi Viswavidyalaya, Nadia-741252, West Bengal, India
| | - Jayanta Saha
- Department of Plant Pathology, Bidhan Chandra Krishi Viswavidyalaya, Nadia-741252, West Bengal, India
| | - Hana Ševčíková
- Department of Botany, Moravian Museum, Zelný trh 6, CZ-659 37 Brno, Czech Republic
| | - Hermann Voglmayr
- Department of Botany and Biodiversity Research, Universität Wien, Rennweg 14, 1030 Wien, Austria
- Institute of Forest Entomology, Forest Pathology and Forest Protection, BOKU-University of Natural Resources and Life Sciences, Peter-Jordan-Straße 82/I, 1190 Wien, Austria
| | - Kenan Yazıcı
- Department of Biology, Faculty of Science, Karadeniz Technical University, 61080, Trabzon, Turkey
| | - Danny Haelewaters
- Department of Botany and Plant Pathology, Purdue University, 915 W. State Street, West Lafayette, IN 47907, USA
- Harvard University Herbaria, 22 Divinity Avenue, Cambridge, MA 02138, USA
- Herbario UCH, Universidad Autónoma de Chiriquí, Apartado Postal 0427, David, Panama
- Smithsonian Tropical Research Institute, Apartado Postal 0843-03092, Balboa, Panama
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16
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He MQ, Zhao RL, Hyde KD, Begerow D, Kemler M, Yurkov A, McKenzie EHC, Raspé O, Kakishima M, Sánchez-Ramírez S, Vellinga EC, Halling R, Papp V, Zmitrovich IV, Buyck B, Ertz D, Wijayawardene NN, Cui BK, Schoutteten N, Liu XZ, Li TH, Yao YJ, Zhu XY, Liu AQ, Li GJ, Zhang MZ, Ling ZL, Cao B, Antonín V, Boekhout T, da Silva BDB, De Crop E, Decock C, Dima B, Dutta AK, Fell JW, Geml J, Ghobad-Nejhad M, Giachini AJ, Gibertoni TB, Gorjón SP, Haelewaters D, He SH, Hodkinson BP, Horak E, Hoshino T, Justo A, Lim YW, Menolli N, Mešić A, Moncalvo JM, Mueller GM, Nagy LG, Nilsson RH, Noordeloos M, Nuytinck J, Orihara T, Ratchadawan C, Rajchenberg M, Silva-Filho AGS, Sulzbacher MA, Tkalčec Z, Valenzuela R, Verbeken A, Vizzini A, Wartchow F, Wei TZ, Weiß M, Zhao CL, Kirk PM. Notes, outline and divergence times of Basidiomycota. FUNGAL DIVERS 2019. [DOI: 10.1007/s13225-019-00435-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
AbstractThe Basidiomycota constitutes a major phylum of the kingdom Fungi and is second in species numbers to the Ascomycota. The present work provides an overview of all validly published, currently used basidiomycete genera to date in a single document. An outline of all genera of Basidiomycota is provided, which includes 1928 currently used genera names, with 1263 synonyms, which are distributed in 241 families, 68 orders, 18 classes and four subphyla. We provide brief notes for each accepted genus including information on classification, number of accepted species, type species, life mode, habitat, distribution, and sequence information. Furthermore, three phylogenetic analyses with combined LSU, SSU, 5.8s, rpb1, rpb2, and ef1 datasets for the subphyla Agaricomycotina, Pucciniomycotina and Ustilaginomycotina are conducted, respectively. Divergence time estimates are provided to the family level with 632 species from 62 orders, 168 families and 605 genera. Our study indicates that the divergence times of the subphyla in Basidiomycota are 406–430 Mya, classes are 211–383 Mya, and orders are 99–323 Mya, which are largely consistent with previous studies. In this study, all phylogenetically supported families were dated, with the families of Agaricomycotina diverging from 27–178 Mya, Pucciniomycotina from 85–222 Mya, and Ustilaginomycotina from 79–177 Mya. Divergence times as additional criterion in ranking provide additional evidence to resolve taxonomic problems in the Basidiomycota taxonomic system, and also provide a better understanding of their phylogeny and evolution.
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Zhang M, Wang CQ, Li TH. Two new agaricoid species of the family Clavariaceae (Agaricales, Basidiomycota) from China, representing two newly recorded genera to the country. MycoKeys 2019; 57:85-100. [PMID: 31523163 PMCID: PMC6713665 DOI: 10.3897/mycokeys.57.36416] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Accepted: 07/16/2019] [Indexed: 11/12/2022] Open
Abstract
Two new lamellar species, Camarophyllopsisolivaceogrisea and Hodophilusglaberripes, of the family Clavariaceae were discovered in the subtropical zone of China. Camarophyllopsisolivaceogrisea is morphologically characterized by its hygrophanous basidiomata, greenish gray to dull green pileus, shortly decurrent lamellae, broadly elliptic basidiospores 4–5.5 × 3.5–4.5 μm in size, and cutis-like pileipellis composed of cylindrical cells. Hodophilusglaberripes is mainly characterized by its white to brownish pileus, glabrous stipe, slight yam bean smell, broadly elliptic basidiospores 5–6.5 × 4–5 μm in size, and epithelium-like pileipellis composed of inflated cells. Phylogenetic placement of the two species was determined by the combined analyses of a DNA data matrix containing ITS and LSU, and showed that collections of the two species formed two independent lineages in the Camarophyllopsis and Hodophilus clades respectively. The delimitation of C.olivaceogrisea and H.glaberripes were evaluated using molecular, morphological, and ecological methods. This is the first report of the genera Camarophyllopsis and Hodophilus in China.
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Affiliation(s)
- Ming Zhang
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application & Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China Guangdong Institute of Microbiology, Guangdong Academy of Sciences Guangzhou China
| | - Chao-Qun Wang
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application & Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China Guangdong Institute of Microbiology, Guangdong Academy of Sciences Guangzhou China
| | - Tai-Hui Li
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application & Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China Guangdong Institute of Microbiology, Guangdong Academy of Sciences Guangzhou China
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Zhang P, Sun HW, Wang MM, Li TH, Ding DL, Liu XZ. [Clinical characteristics and microsurgical strategy of intracranial posterior circulation aneurysms]. Zhonghua Yi Xue Za Zhi 2019; 99:1558-1561. [PMID: 31154722 DOI: 10.3760/cma.j.issn.0376-2491.2019.20.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To explore the clinical characteristics and microsurgical strategies of intracranial posterior circulation aneurysms. Methods: The clinical manifestations, imaging data, surgical approaches and follow-up results of 35 patients with circulating aneurysms (37 aneurysms) treated by microsurgery in the First Affiliated Hospital of Zhengzhou University from January 2013 to January 2018 were analyzed retrospectively. Results: A total of 22 aneurysms were clipped, 13 were clipped and resected, 1 case was clipped and together with AVM resection and 1 case was isolated. Of 37 aneurysms in 35 patients, 11 aneurysms were at the basilar artery apexes, 10 at the posterior cerebral arteries, 6 at the posterior inferior cerebellar arteries, 3 at the basilar arteries, 3 at the vertebral arteries (including 1 case of vertebral arterial dissecting aneurysm), 2 at the anterior inferior cerebellar arteries and 2 at the superior cerebellar arteries. The surgical approaches included pterional approach, extensive pterional approach, infratemporal fossa approach, retrosigmoid approach and far-lateral approach. The Glasgow Outcome Scale (GOS) scores showed good recovery in 24 cases, moderate neurological dysfunction in 6 cases, severe neurological dysfunction in 2 cases, persistent vegetative state in 1 case and 2 cases of death 6 months after their discharge from hospital. Conclusions: Posterior circulation aneurysms are adjacent to important structures. They are deep in position, with small operation space and difficult to operate. Full preoperative evaluation of the condition, selection of appropriate surgical methods are the key factors to benefit the patients.
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Affiliation(s)
- P Zhang
- Department of Neurosurgery, the First Affiliated Hospital, Zhengzhou University, Zhengzhou 450052, China
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Hosen MI, Zhong XJ, Gates G, Orihara T, Li TH. Type studies of Rossbeeverabispora, and a new species of Rossbeevera from south China. MycoKeys 2019; 51:15-28. [PMID: 31048985 PMCID: PMC6477848 DOI: 10.3897/mycokeys.51.32775] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2019] [Accepted: 03/05/2019] [Indexed: 01/04/2023] Open
Abstract
The type of Rossbeeverabispora and additional collections from the type location and adjacent areas were studied. Molecular data for R.bispora derived from the new collections are provided. In addition, R.griseobrunnea, a new species of Rossbeevera, is described from Xiangtoushan National Nature Reserve, Guangdong Province of China. The new species is characterized by its globose to subglobose sequestrate basidiomata with grayish white to grayish brown pileus, pale bluish discoloration in some parts of the hymenophore when injured becoming rusty brown to dark brown after being exposed to the air, fusoid (star-shaped in cross section) basidiospores 17–20 × 9–12 μm, and subcutis elements in the pileus. Based on multi-locus (ITS+nrLSU+tef1-α+rpb2) molecular phylogenetic analyses, both species appear as sister to R.paracyanea. We present color photos, macro- and micro-description, SEM basidiospores, molecular affinities of the species and compare them with morphologically similar taxa within the genus. A key to the species known from northern and southern hemispheres is provided.
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Affiliation(s)
- Md Iqbal Hosen
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Institute of Microbiology, Guangzhou 510070, Guangdong, China Guangdong Institute of Microbiology Guangzhou China
| | - Xiang-Jing Zhong
- Administration of Guangdong Xiangtoushan National Nature Reserve, Huizhou 516001, Guangdong, China Administration of Guangdong Xiangtoushan National Nature Reserve Huizhou China
| | - Genevieve Gates
- Tasmanian Institute of Agriculture, Private Bag 98, Hobart, Tasmania 7001, Australia Tasmanian Institute of Agriculture Hobart Australia
| | - Takamichi Orihara
- Kanagawa Prefectural Museum of Natural History, 499 Iryuda, Odawarashi, Kanagawa 250-0031, Japan Kanagawa Prefectural Museum of Natural History Odawarashi Japan
| | - Tai-Hui Li
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Institute of Microbiology, Guangzhou 510070, Guangdong, China Guangdong Institute of Microbiology Guangzhou China
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Li TH. [Study on the state of Chinese medicine practitioner in the middle and lower classes of Shanghai in the Republic of China: the case of Yao Xinyuan]. Zhonghua Yi Shi Za Zhi 2019; 49:72-78. [PMID: 31137154 DOI: 10.3760/cma.j.issn.0255-7053.2019.02.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
During the period of the Republic of China, Shanghai, with its multicultural communities and a chaos medical market, gathered many traditional Chinese medicine practitioners from all over the country. In addition to a few numbers of famous Chinese medicine practitioners, there were a large number of middle and lower class Chinese medicine practitioners who were not famous in the communities at that time, Yao Xinyuan was most representative one. Although the history of their life is hard to find out in detail, we can dig out some fragments of their medical activities, relying on the many publications from that time's Shanghai. After studying the literatures, we found some characteristics. Although they are faced with fierce medical competition, and it was hard to for them in the long-term survival of Shanghai, they still cherish the ambition to make contribution to the country, and strive to carry the traditional Chinese medicine forward by studying the ancient and seeking the new, integrating Chinese and Western medicine.
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Affiliation(s)
- T H Li
- Institute of Science and Technology Humanities, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
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Wang CQ, Zhang M, Li TH, Liang XS, Shen YH. Additions to tribe Chromosereae (Basidiomycota, Hygrophoraceae) from China, including Sinohygrocybe gen. nov. and a first report of Gloioxanthomycesnitidus. MycoKeys 2018:59-76. [PMID: 30275740 PMCID: PMC6160846 DOI: 10.3897/mycokeys.38.25427] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Accepted: 08/02/2018] [Indexed: 11/12/2022] Open
Abstract
Sinohygrocybe gen. nov., typified by S.tomentosipes sp. nov., is described upon morphological and molecular evidence. The new genus is characterised by its sinuate to subdecurrent or short deccurent, usually furcate and interveined and relatively distant lamellae, dry and whitish tomentose stipe, thin-walled ellipsoid to oviod, non-constricted basidiospores and particularly elongated basidia and a ratio of basidiospore to basidium length of >5 to 8; it is close to genera Chromosera and Gloioxanthomyces of the tribe Chromosereae, but morphologically differs from Chromosera in less umbilicate basidiomata, tomentose stipe and usually longer basidia and differs from Gloioxanthomyces in more robust basidioma and less glutinous pileus and/or stipe surface. Phylogenetic analyses, with ITS-LSU-RPB2 data, also indicate that Sinohygrocybe forms a very distinct and independent clade at the generic level. In addition, a Chinese new record G.nitidus is described here.
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Affiliation(s)
- Chao-Qun Wang
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangzhou 510070, China Guangdong Institute of Microbiology Guangzhou China
| | - Ming Zhang
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangzhou 510070, China Guangdong Institute of Microbiology Guangzhou China
| | - Tai-Hui Li
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangzhou 510070, China Guangdong Institute of Microbiology Guangzhou China
| | - Xi-Shen Liang
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangzhou 510070, China Guangdong Institute of Microbiology Guangzhou China
| | - Ya-Heng Shen
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangzhou 510070, China Guangdong Institute of Microbiology Guangzhou China
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Hosen MI, Song ZP, Gates G, Samantha C Karunarathna, Chowdhury MSM, Li TH. Two new species of Xanthagaricus and some notes on Heinemannomyces from Asia. MycoKeys 2017:1-18. [PMID: 29559820 PMCID: PMC5804139 DOI: 10.3897/mycokeys.28.21029] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2017] [Accepted: 11/20/2017] [Indexed: 01/30/2023] Open
Abstract
Xanthagaricusflavosquamosus and X.necopinatus, two new species of Agaricaceae, are described and illustrated from Asia. Macroscopically, both species are closely related to each other, but there are obvious micromorphological and molecular differences between them. Morphological and phylogenetic data showed that the two new species are distinct from other known species of the genus Xanthagaricus. Xanthagaricusflavosquamosus from China is characterized by its small, yellow basidiomata, short clavate cheilocystidia, epithelial pileipellis, and verrucose basidiospores measuring 5–5.5 × 3–3.5 μm. Xanthagaricusnecopinatus from Bangladesh is characterized by having small, yellow basidiomata, a fugacious annulus, clavate to narrowly clavate cheilocystidia, epithelial pileipellis, and rugulose-rough basidiospores measuring 4–5 × 2.7–3.2 μm. In addition to the new species, a Heinemannomyces collection from China is reported. Morphological data and molecular phylogenetic analyses fully support the Chinese collection being Heinemannomycessplendidissimus, a species of Agaricaceae, originally described from Southeast Asia. Detailed descriptions, color photos and illustrations of the three species are presented. A key to the genus Xanthagaricus occurring in Bangladesh and China is provided.
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Affiliation(s)
- Md Iqbal Hosen
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Institute of Microbiology, Guangzhou 510070, Guangdong, China
| | - Zong-Ping Song
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Institute of Microbiology, Guangzhou 510070, Guangdong, China.,South China Botanical Garden, Chinese Academy of Sciences, Guangdong Provincial Key Laboratory of Applied Botany, Guangzhou 510650, Guangdong, China.,University of Chinese Academy of Sciences, Beijing 100049, Beijing, China
| | - Genevieve Gates
- School of Land and Food, University of Tasmania, Private Bag 54, Hobart, Tasmania 7001, Australia
| | - Samantha C Karunarathna
- Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, Yunnan, China
| | - M Salahuddin M Chowdhury
- Department of Plant Pathology, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka-1207, Bangladesh
| | - Tai-Hui Li
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Institute of Microbiology, Guangzhou 510070, Guangdong, China
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Hao PS, Yang C, Yan XP, Li TH, Zhang J, Yu QY, Zhang X, Zhang YH. Differences in expression of serum protein in patients with psoriasis vulgaris and blood heat syndrome and healthy volunteers. ACTA ACUST UNITED AC 2017; 63:38-41. [PMID: 28886312 DOI: 10.14715/cmb/2017.63.8.9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Revised: 05/09/2017] [Accepted: 05/15/2017] [Indexed: 11/18/2022]
Abstract
To explore the mechanism of psoriasis vulgaris (PV), serum protein expression profiles between PV patients with blood-heat syndrome and healthy volunteers were detected by isobaric tags for relative and absolute quantitation (iTRAQ). First, sera from 15 PV patients with blood-heat syndrome and 10 healthy volunteers were collected; then, serum proteins were separated and hydrolyzed by sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) and a specific iTRAQ marker enzyme respectively after further purification and protein abundance treatment. Compared with the control group, differentially expressed proteins in PV patients with blood-heat syndrome were identified and analyzed by tandem mass spectrometry. A total of 787 proteins were identified and 718 proteins had a functional annotation with gene ontology (GO) by iTRAQ in the current study. Significant differences (P <0.05) and great differences (P <0.01) were found in 681 proteins and 536 proteins respectively between the patient group and healthy group. ). Different protein expression profiles in serum existed between PV patients with blood-heat syndrome and healthy volunteers; the differences largely involved immune-related proteins and lipoproteins. The proteins specific for PV with blood-heat syndrome deserves further investigation.
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Affiliation(s)
- P S Hao
- Department of Dermatology, The Affiliated Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - C Yang
- Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - X P Yan
- Department of Dermatology, The Affiliated Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - T H Li
- Department of Dermatology, The Affiliated Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - J Zhang
- Department of Dermatology, The Affiliated Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Q Y Yu
- Department of Dermatology, The Affiliated Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - X Zhang
- Department of Dermatology, The Affiliated Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Y H Zhang
- Department of Dermatology, The Affiliated Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
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Affiliation(s)
- Iqbal Hosen
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Institute of Microbiology, Guangzhou 510070, China
- Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, Yunnan, China
| | - Tai-Hui Li
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Institute of Microbiology, Guangzhou 510070, China
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Li TH, Wong PC, Chang SF, Tsai PH, Jang JSC, Huang JC. Biocompatibility study on Ni-free Ti-based and Zr-based bulk metallic glasses. Mater Sci Eng C Mater Biol Appl 2017; 75:1-6. [PMID: 28415381 DOI: 10.1016/j.msec.2017.02.006] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2016] [Revised: 11/15/2016] [Accepted: 02/03/2017] [Indexed: 01/18/2023]
Abstract
Safety and reliability are crucial issues for medical instruments and implants. In the past few decays, bulk metallic glasses (BMGs) have drawn attentions due to their superior mechanical properties, good corrosion resistance, antibacterial and good biocompatibility. However, most Zr-based and Ti-based BMGs contain Ni as an important element which is prone to human allergy problem. In this study, the Ni-free Ti-based and Zr-based BMGs, Ti40Zr10Cu36Pd14, and Zr48Cu36Al8Ag8, were selected for systematical evaluation of their biocompatibility. Several biocompatibility tests, co-cultural with L929 murine fibroblast cell line, were carried out on these two BMGs, as well as the comparison samples of Ti6Al4V and pure Cu. The results in terms of cellular adhesion, cytotoxicity, and metallic ion release affection reveal that the Ti40Zr10Cu36Pd14 BMG and Ti6Al4V exhibit the optimum biocompatibility; cells still being attached on the petri dish with good adhesion and exhibiting the spindle shape after direct contact test. Furthermore, the Ti40Zr10Cu36Pd14 BMG showed very low Cu ion release level, in agreement with the MTT results. Based on the current findings, it is believed that Ni-free Ti-based BMG can act as an ideal candidate for medical implant.
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Affiliation(s)
- T H Li
- Institute of Material Science and Engineering, National Central University, Taoyuan, Taiwan
| | - P C Wong
- Department of Biomedical Engineering, National Yang-Ming University, Taipei, Taiwan
| | - S F Chang
- Department of Mechanical Engineering, National Central University, Taoyuan, Taiwan
| | - P H Tsai
- Institute of Material Science and Engineering, National Central University, Taoyuan, Taiwan
| | - J S C Jang
- Institute of Material Science and Engineering, National Central University, Taoyuan, Taiwan; Department of Mechanical Engineering, National Central University, Taoyuan, Taiwan.
| | - J C Huang
- Department of Materials and Optoelectronic Science, National Sun Yat-Sen University, Kaohsiung, Taiwan
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Hosen MI, Li TH, Lodge DJ, Rockefeller A. The first ITS phylogeny of the genus Cantharocybe (Agaricales, Hygrophoraceae) with a new record of C. virosa from Bangladesh. MycoKeys 2016. [DOI: 10.3897/mycokeys.14.9859] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
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Abstract
A method to predict the risk of lung cancer is proposed, based on two feature selection algorithms: Fisher and ReliefF, and BP Neural Networks. An appropriate quantity of risk factors was chosen for lung cancer risk prediction. The process featured two steps, firstly choosing the risk factors by combining two feature selection algorithms, then providing the predictive value by neural network. Based on the method framework, an algorithm LCRP (lung cancer risk prediction) is presented, to reduce the amount of risk factors collected in practical applications. The proposed method is suitable for health monitoring and self-testing. Experiments showed it can actually provide satisfactory accuracy under low dimensions of risk factors.
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Affiliation(s)
- Nan-Nan Xie
- Computer Science and Technology College, Jilin University, Changchun, China E-mail :
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He XL, Horak E, Li TH, Peng WH, Gan BC. Two New Cuboid-Spored Species ofEntolomas. l. (Agaricales, Entolomataceae) from Southern China. CRYPTOGAMIE MYCOL 2015. [DOI: 10.7872/crym/v36.iss2.2015.237] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Lin M, Lin QY, Song B, Huang H, Li TH, Shen YH. [Study on biological characteristics of Cordyceps ramosa mycelia]. Zhong Yao Cai 2013; 36:861-863. [PMID: 24380263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
OBJECTIVE To study the biological characteristics of Cordyceps ramosa mycelia. METHODS The effects of temperature, pH, carbon source, nitrogen source and C/N ratio on the mycelial growth of Cordyceps ramosa were investigated. RESULTS The optimum temperature, pH, carbon source, nitrogen source and C/N ratio for the mycelial growth were 25 degrees C, 5.0-7.0, soluble starch, yeast extract and 24:1, respectively. CONCLUSION The results provide a reference for cultivation of Cordyceps ramosa.
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Affiliation(s)
- Min Lin
- Guangdong Institute of Microbiology, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, State Key Laboratory of Applied Microbiology, Ministry-Guangdong Province Jointly Breeding Base, South China, Guangzhou 510070, China.
| | - Qun-Ying Lin
- Guangdong Institute of Microbiology, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, State Key Laboratory of Applied Microbiology, Ministry-Guangdong Province Jointly Breeding Base, South China, Guangzhou 510070, China
| | - Bin Song
- Guangdong Institute of Microbiology, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, State Key Laboratory of Applied Microbiology, Ministry-Guangdong Province Jointly Breeding Base, South China, Guangzhou 510070, China
| | - Hao Huang
- Guangdong Institute of Microbiology, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, State Key Laboratory of Applied Microbiology, Ministry-Guangdong Province Jointly Breeding Base, South China, Guangzhou 510070, China
| | - Tai-Hui Li
- Guangdong Institute of Microbiology, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, State Key Laboratory of Applied Microbiology, Ministry-Guangdong Province Jointly Breeding Base, South China, Guangzhou 510070, China
| | - Ya-Heng Shen
- Guangdong Institute of Microbiology, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, State Key Laboratory of Applied Microbiology, Ministry-Guangdong Province Jointly Breeding Base, South China, Guangzhou 510070, China
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He XL, Li TH, Xi PG, Jiang ZD, Shen YH. Phylogeny of Entoloma s.l. subgenus Pouzarella, with descriptions of five new species from China. FUNGAL DIVERS 2012. [DOI: 10.1007/s13225-012-0212-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Wu KG, Li TH, Wang TY, Hsu CL, Chen CJ. A comparative study of loratadine syrup and cyproheptadine HCL solution for treating perennial allergic rhinitis in Taiwanese children aged 2-12 years. Int J Immunopathol Pharmacol 2012; 25:231-7. [PMID: 22507335 DOI: 10.1177/039463201202500125] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
We assessed the efficacy of loratadine syrup compared with cyproheptadine HCl solution for treating children aged from 2 to 12 years with perennial allergic rhinitis (PAR) in Taiwan. Sixty children with mite-induced PAR were enrolled and randomly placed into two treatment groups: loratadine syrup or cyproheptadine HCl solution. Treatment efficacy and symptom changes from baseline to post-treatment were evaluated by total symptom scores and visual analogue scales (VAS) during a 2-week period. There were no differences in age, gender, height, or weight between the two groups. After 2 weeks of treatment, there was a significantly greater reduction in symptom scores in the loratadine group than in the cyproheptadine group (p<0.001). Clinical and subjective VAS showed significant differences in percentage changes from baseline between the loratadine and cyproheptadine groups at all time points (all p<0.001, in favor of loratadine). Clinical VAS change at week 1: 95.1 vs 11.3; subjective VAS change at week 1: 88.6 vs 13.6; clinical VAS change at week 2: 125.5 vs 18.3; subjective VAS change at week 2: 101.4 vs 7.1. Thus, loratadine was superior to cyproheptadine for alleviating both nasal and non-nasal symptoms of perennial allergic rhinitis in Taiwanese children aged 2-12 years.
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Affiliation(s)
- K G Wu
- Department of Pediatrics, Taipei Veterans General Hospital and National Yang-Ming University, Taipei, Taiwan.
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Li TH, Liu LZ, Li XX, Wu XL, Chen HT, Chu PK. Oxygen vacancy density-dependent transformation from infrared to Raman active vibration mode in SnO2 nanostructures. Opt Lett 2011; 36:4296-4298. [PMID: 22048396 DOI: 10.1364/ol.36.004296] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Raman spectra acquired from spherical, cubic, and cuboid SnO2 nanocrystals (NCs) reveal a morphologically independent Raman mode at ∼302 cm(-1). The frequency of this mode is slightly affected by the NC size, but the intensity increases obviously with decreasing NC size. By considering the dipole changes induced by oxygen vacancies and derivation based on the density functional theory and phonon confinement model, an oxygen vacancy density larger than 6% is shown to be responsible for the transformation of the IR to Raman active vibration mode, and the intensity enhancement is due to strong phonon confinement.
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Affiliation(s)
- T H Li
- National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, China
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Abstract
Eight peptide toxins were isolated and purified from basidiocarps of Amanita exitialis with high performance liquid chromatography and were subjected to ultraviolet, nuclear magnetic resonance and mass spectrometry. We identified seven peptide toxins, α-amanitin, β-amanitin, amaninamide, phallacin, phallacidin, phallisacin and desoxoviroidin. The molecular weight (729.5 Da) of the eighth compound did not match that of any reported Amanita toxins and, although the UV absorption spectrum indicated it to be a phallotoxin, further studies are required to identify this component. This is the first report of amaninamide, phallacin, phallisacin and desoxoviroidin in this lethal mushroom species.
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Affiliation(s)
- Wang-Qiu Deng
- Guangdong Key Laboratory of Microbial Culture Collection and Application, Guangdong Institute of Microbiology, Guangdong Guangzhou, China
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41
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Wu XL, Xiong SJ, Liu Z, Chen J, Shen JC, Li TH, Wu PH, Chu PK. Green light stimulates terahertz emission from mesocrystal microspheres. Nat Nanotechnol 2011; 6:103-6. [PMID: 21240282 DOI: 10.1038/nnano.2010.264] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2010] [Accepted: 11/30/2010] [Indexed: 05/12/2023]
Abstract
The discovery of efficient sources of terahertz radiation has been exploited in imaging applications, and developing a nanoscale terahertz source could lead to additional applications. High-frequency mechanical vibrations of charged nanostructures can lead to radiative emission, and vibrations at frequencies of hundreds of kilohertz have been observed from a ZnO nanobelt under the influence of an alternating electric field. Here, we observe mechanical resonance and radiative emission at ∼ 0.36 THz from core-shell ZnO mesocrystal microspheres excited by a continuous green-wavelength laser. We find that ∼ 0.016% of the incident power is converted into terahertz radiation, which corresponds to a quantum efficiency of ∼ 33%, making the ZnO microspheres competitive with existing terahertz-emitting materials. The mechanical resonance and radiation stem from the coherent photo-induced vibration of the hexagonal ZnO nanoplates that make up the microsphere shells. The ZnO microspheres are formed by means of a nonclassical, self-organized crystallization process, and represent a straightforward route to terahertz radiation at the nanoscale.
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Affiliation(s)
- X L Wu
- National Laboratory of Solid State Microstructures and Department of Physics, Nanjing University, Nanjing 210093, China
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42
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Abstract
Glycerol-passivated 3C-SiC nanocrystal (NC) solid films with tunable blue photoluminescence show abnormal longitudinal optical (LO) phonon behavior. As the NC size increases, the LO phonon intensity increases in the Raman spectra of the solid films and is even larger than that of the transverse optical mode. The Raman spectra cannot be fitted by using only the phonon confinement model. When further considering the coupling between the LO phonon and plasmon induced by the surface deformation potential in the glycerol layer, good agreement is achieved between the experiments and theory. This indicates that the coupled LO phonon-plasmon effect arising from the surface bonding structure plays a crucial role in the modified LO phonon behavior.
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Affiliation(s)
- L Z Liu
- Nanjing National Laboratory of Microstructures and Department of Physics, Nanjing University, Nanjing 210093, China
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43
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Liu LZ, Wu XL, Zhang ZY, Xu LL, Li TH, Chu PK. Crystalline core/shell Si/SiO2 nanotubes formed via interfacial stress imbalance. J Nanosci Nanotechnol 2010; 10:5583-5586. [PMID: 21133077 DOI: 10.1166/jnn.2010.2443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Crystalline core/shell Si/SiO2 nanotubes (NTs) with outer diameters of 130-220 nm and lengths of approximately 1 microm have been synthesized using thermal evaporation. High resolution scanning electron microscopy reveals that the NT formation stems from the intrinsic interfacial stress imbalance in the strained Si/SiO2 bilayered film, consequently leading to NTs with different orifice levels. The NT diameters depend strongly on the bilayer film thicknesses and crystal orientations of the Si and SiO2 layers. A modified Timoshenko formula is derived to calculate the dependence of the tube diameter on the bilayer film thickness. The obtained results are consistent well with experimental data.
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Affiliation(s)
- L Z Liu
- Nanjing National Laboratory of Microstructures and Department of Physics, Nanjing University, Nanjing 210093, PR China
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44
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Abstract
AIMS To increase the fruit body production of Cordyceps guangdongensis, selected cultivation conditions, especially nutritional parameters were optimized. METHODS AND RESULTS Cordyceps guangdongensis was inoculated on potato dextrose agar slants with pH values from 4.5 to 9.0 and cultivated in artificial media with different carbon and nitrogen supplements. Primordium formation in C. guangdongensis was favoured by slightly acidic conditions. Fruit body yields and biological efficiency (BE) recorded were all highest in cultures of C. guangdongensis supplemented with sucrose and KNO3 as carbon and nitrogen supplements, respectively. Highest fruit body yields and BE values were recorded with C : N ratio of 12 : 1. The optimal medium consisted of (g l(-1)) 20.0 sucrose, 4.0 soya bean powder, 5.0 beef extract and 10.0 KNO3. Cultivation experiments using this medium confirmed its reliability; 18.35% of BE was obtained, compared with a calculated maximum BE of 18.65% based on orthogonal test data. CONCLUSIONS Cordyceps guangdongensis preferred sucrose and potassium nitrate as best carbon and nitrogen supplements. It produced satisfying yield of fruit body with optimized medium. SIGNIFICANCE AND IMPACT OF THE STUDY Optimized artificial cultivation conditions could promote the yield of C. guangdongensis and decreased the cost of production.
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Affiliation(s)
- Q Y Lin
- Guangdong Provincial Open Laboratory of New Microbial Application Technology, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Institute of Microbiology, Guangzhou, China
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Wang J, Xiong SJ, Wu XL, Li TH, Chu PK. Glycerol-bonded 3C-SiC nanocrystal solid films exhibiting broad and stable violet to blue-green emission. Nano Lett 2010; 10:1466-1471. [PMID: 20210349 DOI: 10.1021/nl100407d] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
We have produced glycerol-bonded 3C-SiC nanocrystal (NC) films, which when excited by photons of different wavelengths, produce strong and tunable violet to blue-green (360-540 nm) emission as a result of the quantum confinement effects rendered by the 3C-SiC NCs. The emission is so intense that the emission spots are visible to the naked eyes. The light emission is very stable and even after storing in air for more than six months, no intensity degradation can be observed. X-ray photoelectron spectroscopy and absorption fine structure measurements indicate that the Si-terminated NC surfaces are completely bonded to glycerol molecules. Calculations of geometry optimization and electron structures based on the density functional theory for 3C-SiC NCs with attached glycerol molecules show that these molecules are bonded on the NCs causing strong surface structural change, while the isolated levels in the conduction band of the bare 3C-SiC NCs are replaced with quasi-continuous bands that provide continuous tunability of the emitted light by changing the frequencies of exciting laser. As an application, we demonstrate the potential of using 3C-SiC NCs to fabricate full-color emitting solid films by incorporating porous silicon.
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Affiliation(s)
- J Wang
- National Laboratory of Solid State Microstructures and Department of Physics, Nanjing University, Nanjing, People's Republic of China
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46
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Liu LZ, Wu XL, Gao F, Yang YM, Li TH, Chu PK. Size-independent low-frequency Raman scattering in Ge-nanocrystal-embedded SiO2 films. Opt Lett 2010; 35:1022-1024. [PMID: 20364204 DOI: 10.1364/ol.35.001022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
The peak position and linewidth of the low-frequency Raman mode observed from amorphous silica films embedded with Ge nanocrystals doped with Si show a size-independent behavior. Spectral analysis reveals the formation of a thin amorphous GeSi layer on the surface of the Ge nanocrystal. Theoretical calculation based on a modified three-region model discloses that the acoustic impedance of the interfacial GeSiO layer is responsible for the size-independent behavior. During high-temperature annealing, Ge atoms are segregated from the interface into the core, and the GeSiO interface layer is converted to SiO(2), leading to disappearance of the size-independent vibration mode.
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Affiliation(s)
- L Z Liu
- Nanjing National Laboratory of Microstructures and Department of Physics, Nanjing University, Nanjing 210093, China
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47
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Zhan B, Hawdon J, Shan Q, Ren H, Qiang H, Xiao SH, Li TH, Feng Z, Hotez P. Construction and analysis of cDNA library of Necator americanus third stage larvae. Zhongguo Ji Sheng Chong Xue Yu Ji Sheng Chong Bing Za Zhi 2003; 18:26-8. [PMID: 12567467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 02/28/2023]
Abstract
OBJECTIVE To obtain the genetic information on Necator americanus and to search for the purpose genes. METHODS mRNA was isolated from the third stage larvae of Necator americanus maintained in hamsters. Double strand cDNA was synthesized and ligated to lambda ZAPII vector to construct the cDNA library. Expressed sequence tages (ESTs) were obtained by single pass sequencing of randomly isolated cDNA clones from the established library. RESULTS A cDNA library of N. americanus was successfully constructed with high recombinant efficiency. The titer of unamplified library was 1 x 10(7). The insert size was about 750-3,000 bp. Of 11 ESTs obtained from the library, 7 have a significant homology with certain functional genes. CONCLUSION A high quality and high representative cDNA library of N. americanus was constructed at the first time and some functional genes were identified from the library by ESTs.
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Affiliation(s)
- B Zhan
- Institute of Parasitic Diseases, Chinese Academy of Preventive Medicine, WHO Collaborating Center for Malaria, Schistosomiasis and Filariasis, Shanghai, 200025
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48
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Zhan B, Xiao SH, Li TH. [Endemic status of hookworm disease and progress in vaccine preparation]. Zhongguo Ji Sheng Chong Xue Yu Ji Sheng Chong Bing Za Zhi 2003; 18:182-5. [PMID: 12567706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/28/2023]
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Morio LA, Hooper KA, Brittingham J, Li TH, Gordon RE, Turpin BJ, Laskin DL. Tissue injury following inhalation of fine particulate matter and hydrogen peroxide is associated with altered production of inflammatory mediators and antioxidants by alveolar macrophages. Toxicol Appl Pharmacol 2001; 177:188-99. [PMID: 11749118 DOI: 10.1006/taap.2001.9316] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Hydrogen peroxide (H(2)O(2)) is present in the atmosphere at concentrations known to induce cell and tissue damage. However, inhaled H(2)O(2) vapor should not reach the lower lung due to its high water solubility. It has been suggested that hygroscopic components of particulate matter (PM) may transport H(2)O(2) into the lower lung and induce tissue injury and this was investigated. Ammonium sulfate [(NH(4))(2)SO(4)] was selected as a model for fine atmospheric PM. Treatment of female Sprague-Dawley rats with (NH(4))(2)SO(4) (429 or 215 microg/m(3); 0.3-0.4 microm mass median diameter) or H(2)O(2) (10, 20, or 100 ppb) alone or in combination for 2 h had no major effect on bronchoalveolar lavage fluid cell number or viability or on protein content or lactate dehydrogenase levels, either immediately or 24 h after exposure, relative to air-exposed rats. However, electron microscopy revealed increased numbers of neutrophils in pulmonary capillaries adhered to the vascular endothelium in rats treated with the combination of (NH(4))(2)SO(4) + H(2)O(2). Exposure of rats to (NH(4))(2)SO(4) + H(2)O(2) also resulted in tumor necrosis factor-alpha (TNF-alpha) production by alveolar macrophages. This was observed immediately and 24 h after exposure. Immediately after inhalation of (NH(4))(2)SO(4) + H(2)O(2), a transient increase in production of superoxide anion by alveolar macrophages was observed. In contrast, nitric oxide production by cells from rats exposed to (NH(4))(2)SO(4) + H(2)O(2) or H(2)O(2) alone was decreased, and this persisted for 24 h. Decreases in nitric oxide may be due to superoxide anion-driven formation of peroxynitrite. In this regard, nitrotyrosine, an in vivo marker of peroxynitrite, was detected in lung tissue after exposure of rats to (NH(4))(2)SO(4) + H(2)O(2) or H(2)O(2). We also found that expression of the antioxidant enzyme heme oxygenase-1 by stimulated alveolar macrophages was increased following exposure of rats to (NH(4))(2)SO(4) + H(2)O(2). Taken together, these studies demonstrate that the biological effects of inhaled fine PM are augmented by H(2)O(2). Moreover, tissue injury induced by fine PM may be related to altered production of cytotoxic mediators by alveolar macrophages.
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Affiliation(s)
- L A Morio
- Environmental and Occupational Health Sciences Institute, Rutgers University, Piscataway, New Jersey 08854, USA
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50
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Abstract
While human Alu repeats can be considered to be members of an extremely large, globally regulated, multigene family, each member of this family resides within a different sequence context that might uniquely modulate its transcription. Unique 3' flanking sequences for several transcriptionally active human Alu elements were identified by cDNA cloning and used for primer extension analysis to compare the basal and stress-induced expression of the corresponding Alu loci. Each of six Alu loci investigated exhibits a unique pattern of expression in three different human cell lines and in response to stress induction. The sequence context surrounding each Alu member uniquely determines its transcriptional regulation. In many cases, the individual Alu loci and total Alu RNA exhibit opposing patterns of expression implying that local rather than global regulation ultimately determines the expression of individual members. Some of the stresses, which induce Alu transcription, increase co-expression of LINE1 RNA, another requirement for Alu retrotransposition.
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Affiliation(s)
- T H Li
- Section of Molecular and Cellular Biology, University of California, Davis, CA 95616-8535, USA
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