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Two New Species of Placolecis (Lichenized Ascomycota) from China
( An Cheng Yin ),( Xin Yu Wang ),( Dong Liu ),( Yan Yun Zhang ),( Mei Xia Yang ),( Li Juan Li ),( Li Song Wang ) 한국균학회 2019 Mycobiology Vol.47 No.4
Two new species of the lichen genus Placolecis are discovered in China, namely P. kunmingensis An. C. Yin & Li S. Wang and P. sublaevis An. C. Yin & Li S. Wang. The new combination P. loekoesiana (S.Y. Kondr., Farkas, J.J. Woo & Hur) An. C. Yin is proposed. Placolecis kunmingensis is characterized by having simple, spherical or ellipsoid, hyaline spores, and pear-shaped pycnidia; while P. sublaevis can be distinguished by its thallus forming larger aggregations with slightly flattened lobes at the thallus margin, and urn-shaped pycnidia. Descriptions, a phylogenetic tree and a key are provided for all the known Placolecis species in China.
Zhang Mengjie,Yang Xiuyao,Zhu Ling,Xi Dengxian,Cai Hanbing,Yin Tuo,Zhang Hanyao 한국식물생명공학회 2023 Plant biotechnology reports Vol.17 No.5
Syzygium, a vital genus under Myrtaceae, is aesthetically pleasing and resistant and is used for urban greenery. However, with intensive research in recent years, an increasing number of Syzygium plants have been explored for their medicinal value. Analysing the Syzygium chloroplast (cp) genome can help assess its phylogenetic relationships and provide a theoretical basis for the development and application of Syzygium plants. In this study, we first sequenced the complete cp genomes of Syzygium grijsii and Syzygium rehderianum to investigate their phylogenetic relationships in Myrtaceae. In the copy region and reverse repeat region, 129 genes were detected, including 84 protein-coding genes, 37 tRNA genes, and eight rRNA genes. Preference analysis showed that the eight Syzygium species preferred codons ending in A/U and contained abundant repetitive sequences and SSR sites. The ycf1, rpoC2, matK and ndhB genes had the most RNA editable sites and more genes with Ka/Ks < 1, indicating that species evolution was mainly subject to purifying selection. Comparative analysis of the cp genome showed that the eight species boundaries of Syzygium were similar, but the variability of the LSC and SSC regions was higher than that of the IR region, with 280 sites with Pi > 0.015, showing a high level of nucleotide diversity. Phylogenetic analysis showed that Syzygium grijsii was closely related to Syzygium jambos, and S. rehderianum was close to Plinia aureana. The cp genome and phylogeny of S. grijsii and S. rehderianum provide a theoretical basis for Syzygium species identification and exploitation.
Yin Ronghuan,Yin Ronglan,Bai Man,Fan Yixing,Wang Zeying,Zhu Yubo,Zhang Qi,Hui Taiyu,Shen Jincheng,Feng Siyu,Bai Wenlin 아세아·태평양축산학회 2023 Animal Bioscience Vol.36 No.4
Objective: The objective of this study was to investigate the effects of N6-Methyladenosine modification-circRNA-zinc finger protein 638 (m6A-circRNA-ZNF638) on the induced activation of secondary hair follicle (SHF) stem cells with its potential mechanisms in cashmere goats. Methods: The m6A modification of ZNF638 was analyzed using methylation immunoprecipitation with real-time quantitative polymerase chain reaction technique in SHF stem cells. The effects of circRNA-ZNF638 on the induced activation of SHF stem cells in m6A dependence were evaluated through the overexpression of circRNA-ZNF638/its m6Adeficient mutants in circRNA-ZNF638 knockdown SHF stem cells. The competitive binding of miR-361-5p to circRNA-ZNF638/Wnt5a 3′- untranslated region was analyzed through Dual-luciferase reporter assay. Results: The m6A-circRNA-ZNF638 had significantly higher transcription at anagen SHF bulge of cashmere goats compared with that at telogen, as well as it positively regulated the induced activation of SHF-stem cells in cashmere goats. Mechanismly, m6A-circRNA-ZNF638 sponged miR-361-5p to heighten the transcriptional expression of Wnt5a gene in SHFstem cells. We further demonstrated that the internal m6A modification within circRNAZNF638 is required for mediating the miR-361-5p/Wnt5a pathway to regulate the induced activation of SHF stem cells through an introducing of m6A-deficient mutant of circRNAZNF638. Conclusion: The circRNA-ZNF638 contributes the proper induced activation of SHF-stem cells in cashmere goats in m6A-dependent manner through miR-361-5p/Wnt5a axis.
Yin, Shang-Jun,Zhang, Linmeng,Zhang, Lili,Wan, Jiaxin,Song, Wei,Jiang, Xiamin,Park, Yong-Doo,Si, Yue-Xiu Elsevier 2018 INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES Vol.113 No.-
<P><B>Abstract</B></P> <P>The pharaoh cuttlefish <I>Sepia pharaonis</I> is particularly sensitive to environmental changes in its breeding environment. The breeding of <I>S</I>. <I>pharaonis</I> larvae was carried out in different salinities for 48h, and the changes in survival rate, histological structure, energy metabolism, and anti-oxidative stress parameters were investigated and correlated with arginine kinase (AK) expression changes in muscle and liver tissues. The suitable salinity for larvae cultivation ranged from 24 to 30‰, and the survival rate showed a significant decline at 21‰ salinity. Histological observations of muscle and liver showed that changes in salinity and osmotic pressure had an adverse effect on tissue structure. Measurements of glycogen and lactic acid levels suggested that <I>S</I>. <I>pharaonis</I> could dynamically adjust energy metabolism to provide additional energy under unsuitable salinity. The protein levels and enzyme activities of AK in muscle significantly increased at 21‰ salinity. The results were consistent with prompt replenishment of phosphoarginine stores during salinity stress to maintain a dynamic ATP balance, suggesting that AK plays an important role in the regulation of energy metabolism. This study provides insight into metabolic changes during salinity stress and sheds light on the functional role of AK in <I>S</I>. <I>pharaonis</I>.</P>
Zhang Yu,Zhang Zeqiang,Yin Tao,Liang-Wei Jiang 한국CDE학회 2023 Journal of computational design and engineering Vol.10 No.1
Nowadays, rapid product iterations result in large quantities of end-of-life products. To meet the fast-growing demand for remanufacturing engineering, companies have quickened the standardization and industrialization of waste dissembling. Two-sided disassembly lines can effectively disassemble large-sized products on both sides of the lines, and parallel disassembly lines can disassemble multiple products simultaneously with fewer workstations and higher production efficiency. Combining the two types of disassembly can effectively increase the disassembly efficiency of large-sized products. However, the parallel two-sided disassembly line has not been fully investigated because of the essential complexity of the problem. Therefore, this research introduced the parallel two-sided disassembly line balancing problem with fixed common stations. First, a multi-objective mixed-integer programming model is established to solve the problem for the first time. The model is proved to be correct through small-scale numerical examples. Second, a multi-objective improved moth–flame optimization algorithm is implemented to solve the proposed large-scale problems. The proposed algorithm employs a two-phase decoding approach to design the scheme and a discrete moth for fire operation to search and replace new individuals, and then a restart strategy is introduced to reduce the probability of the population falling into a local optimum. Finally, the algorithm solved extensive disassembly line balancing problems with different layouts, including the straight-line, two-sided, and parallel two-sided, and case studies demonstrated the reliability and validity of the proposed method.
Inter-domain Alliance Authentication Protocol Based on Blind Signature
Zhang Jie,Zhang Qi-kun,Gan Yong,Yin Yifeng,Tan Yu-an 보안공학연구지원센터 2015 International Journal of Security and Its Applicat Vol.9 No.12
In large distributed networks, many computers must be mutual coordination to complete some works under the certain conditions, these computers may come from different domains. For ensuring secure cross domains to access resources among these computers in different domains, this paper proposes a multi-domain union authentication protocol. The protocol adopts blind signature to achieve mutual authentication among entities in different domains. This scheme overcomes the complexity of certificate transmission and the network bottlenecks in the scheme of PKI-based. It can trace the entity identity and supports two-way entities anonymous authentication, which avoid the authority counterfeiting its member to access other domain’s resources. Analysis shows that its advantages on security and communication-consumption.
Dirac semimetal-enabled multi-bit coding metasurface for dynamic manipulation of terahertz beams
Zhang Yonggang,Yin Kehao,Liang Lanju,Yao Haiyun,Yan Xin,Hu Xiaofei,Huang Chengcheng,Qiu Fu,Zhang Rui,Li Yuanping,Wang Yaru,Li Zhenhua,Wang Ziqun 한국물리학회 2024 Current Applied Physics Vol.58 No.-
In this study, a switchable multi-bit coding metasurface that is applied under a terahertz (THz) frequency by adjusting the Fermi level (EF) of Dirac semimetals (DSMs) is proposed. At a EF of 0.2 eV, a 1-bit coding metasurface can be applied in the 2.58–2.62 THz. At 0.3 eV, a 3-bit coding metasurface is realized at 1.88 THz, and at 0.05 eV, the phase of the coding units coincides in the 1.5–3 THz. So, different functions of the metasurface can be realized. The proposed coding metasurfaces has promising applications in terahertz communication.
Zhang, Yi-Yin,Gu, Kang-Sheng Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.9
Objective: To investigate the correlation between ERCC1 expression levels in tumor tissue and peripheral blood lymphocytes (PBL) from patients with gastric cancer and assess the relationship between PBL DNA repair rate (DRR) and the efficacy of platinum chemotherapy. Methods: A total of 53 patients with gastric cancer receiving surgery and 20 controls were studied. ERCC1 protein expression in tumour tissue and PBL were determined by immunohistochemical staining. The PBL DRRs of 47 advanced patients and 20 controls were estimated by comet assay. Results: The positive expression rates of ERCC1 were 67. 9%, 56. 6% and 10.0% in tumour tissues, PBLs of gastric cancer patients, and PBLs of the control group. PBL ERCC1 expression correlated with that in tissue (${\chi}^2$=15. 463, p=0.000). Pearson contingency coefficient=0.475). DRRs of cancer patients by tail length (TL) (Z=4. 662, p=0.000) and tail moment (TM) (Z=3. 827, p=0.000) were significantly lower than that of control group. When TL was applied as an indicator, the correlation between DRR and chemotherapy efficacy was significant (Spearman rank correlation r=0.327, p=0.032). Patients with low levels of DRR in PBL presented better short-term efficacy of chemotherapy than those with high levels of DRR. Conclusions: The ERCC1 expression in PBLs may indirectly reflect ERCC1 expression in gastric cancer tissues. Compared with non-cancer populations, patients with gastric cancer may have lower DNA repair capacity. DRR in PBL may predict the short-term efficacy of platinum-based chemotherapy for patients with advanced gastric cancer.