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Metabolic relationships between marine red algae and algae‑associated bacteria

Marine Life Science & Technology 2024年第2期6卷 298-314页

作者： Kyung Hyun Kim Jeong Min Kim Ju Hye Baek Sang Eun Jeong Hocheol Kim Hwan Su Yoon Che Ok Jeon Department of Biological Sciences and biotechnology Hannam UniversityDaejon 34054Republic of Korea Department of Life Science Chung-Ang UniversitySeoul 06974Republic of Korea Department of Biological Sciences Sungkyunkwan UniversitySuwon 16419Republic of Korea

Mutualistic interactions between marine phototrophs and associated bacteria are an important strategy for their success-ful survival in the ocean,but little is known about their metabolic ***,bacterial communities in the algal sphere(AS)and bulk solution(BS)of nine marine red algal cultures were analyzed,and Roseibium and Phycisphaera were identified significantly more abundantly in AS than in *** metabolic features of Roseibium RMAR6-6(isolated and genome-sequenced),Phycisphaera MAG 12(obtained by metagenomic sequencing),and a marine red alga,Porphyridium purpureum CCMP1328(from GenBank),were analyzed ***6-6 has the genetic capability to fix nitrogen and produce B vitamins(B1,B2,B5,B6,B9,and B12),bacterioferritin,dimethylsulfoniopropionate(DMSP),and phenylacetate that may enhance algal growth,whereas MAG 12 may have a limited metabolic capability,not producing vitamins B9 and B12,DMSP,phenylacetate,and siderophores,but with the ability to produce bacitracin,possibly modulating algal *** CCMP1328 lacks the genetic capability to fix nitrogen and produce vitamin B12,DMSP,phenylacetate,and *** was shown that the nitrogen-fixing ability of RMAR6-6 promoted the growth of ***-pureum,and DMSP reduced the oxidative stress of *** metabolic interactions between strain RMAR6-6 and *** CCMP1328 were also investigated by the transcriptomic analyses of their monoculture and *** together,potential metabolic relationships between Roseibium and *** were *** study provides a bet-ter understanding of the metabolic relationships between marine algae and algae-associated bacteria for successful growth.

关键词： Metabolic relationship Marine red algae Symbiotic bacteria Roseibium Phycisphaera Porphyridium

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Role of marine natural products in the development of antiviral agents against SARS‑CoV‑2:potential and prospects

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Marine Life Science & Technology 2024年第2期6卷 280-297页

作者： D.P.Nagahawatta N.M.Liyanage Thilina U.Jayawardena H.H.A.C.K.Jayawardhana Seong‑Hun Jeong Hyung‑Jun Kwon You‑Jin Jeon Department of Marine Life Sciences Jeju National UniversityJeju 690-756Republic of Korea Department of Chemistry Biochemistry and PhysicsUniversitédu QuébecàTrois-RivièresTrois-RivièresQC G8Z 4M3Canada Marine Science institute Jeju National UniversityJeju 63333Republic of Korea Functional Biomaterial research Center Korea Research Institute of Bioscience and BiotechnologyJeongeup-siRepublic of Korea

A novel coronavirus,known as severe acute respiratory syndrome coronavirus 2(SARS-CoV-2),has surfaced and caused global concern owing to its ***-CoV-2 is the causative agent of coronavirus disease 2019;however,it was only discovered at the end of the year and was considered a pandemic by the World Health ***,the develop-ment of novel potent inhibitors against SARS-CoV-2 and future outbreaks is urgently *** naturally occurring bioactive substances have been studied in the clinical setting for diverse *** intricate infection and replication mechanism of SARS-CoV-2 offers diverse therapeutic drug targets for developing antiviral medicines by employing natural products that are safer than synthetic *** natural products(MNPs)have received increased attention in the development of novel drugs owing to their high diversity and ***,this review article investigates the infection and replication mechanisms,including the function of the SARS-CoV-2 genome and ***,we highlighted anti-SARS-CoV-2 therapeutic intervention efforts utilizing MNPs and predicted SARS-CoV-2 inhibitor design.

关键词： SARS-CoV-2 Marine natural products Drug targets Inhibitors

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Enhancement of porcine in vitro embryonic development through luteolin‑mediated activation of the Nrf2/Keap1 signaling pathway

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Journal of Animal Science and biotechnology 2024年第2期15卷 600-613页

作者： Se-Been Jeon Pil-Soo Jeong Min Ju Kim Hyo-Gu Kang Bong-Seok Song Sun-Uk Kim Seong-Keun Cho Bo-Woong Sim Futuristic Animal Resource&research Center(FARRC) Korea Research Institute of Bioscience and Biotechnology(KRIBB)Cheongju 28116Republic of Korea Department of Animal Science College of Natural Resources&Life SciencePusan National UniversityMiryang 50463Republic of Korea Department of Animal Science and biotechnology College of Agriculture and Life ScienceChungnam National UniversityDaejeon 34134Republic of Korea Department of Functional Genomics University of Science and TechnologyDaejeon 34113Republic of Korea Department of Animal Science Life and Industry Convergence Research Institute(RICRI)College of Natural Resources&Life SciencePusan National UniversityMiryang 50463Republic of Korea

Background Oxidative stress,caused by an imbalance in the production and elimination of intracellular reactive oxygen species(ROS),has been recognized for its detrimental effects on mammalian embryonic ***(Lut)has been documented for its protective effects against oxidative stress in various ***,its specific role in embryonic development remains *** study aims to investigate the influence of Lut on porcine embryonic development and to elucidate the underlying *** After undergoing parthenogenetic activation(PA)or in vitro fertilization,embryos supplemented with 0.5μmol/L Lut displayed a significant enhancement in cleavage and blastocyst formation rates,with an increase in total cell numbers and a decrease in the apoptosis rate compared to the *** on D2 and D6 revealed that embryos with Lut supplementation had lower ROS levels and higher glutathione levels compared to the ***,Lut supplementation significantly augmented mitochondrial content and membrane ***,activation of the Nrf2/Keap1 signaling pathway was observed in embryos supplemented with Lut,leading to the upregulation of antioxidant-related gene transcription *** further validate the relationship between the Nrf2/Keap1 signaling pathway and effects of Lut in porcine embryonic development,we cultured PA embryos in a medium supplemented with brusatol,with or without the inclusion of *** positive effects of Lut on developmental competence were negated by brusatol *** Our findings indicate that Lut-mediated activation of the Nrf2/Keap1 signaling pathway contributes to the enhanced production of porcine embryos with high developmental competence,and offers insight into the mechanisms regulating early embryonic development.

关键词： Luteolin Mitochondrial function Nrf2/Keap1 signaling pathway Oxidative stress Porcine embryo development

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Foeniculum vulgare *** lipopolysaccharide-induced microglia activation and ameliorates neuroinflammation-mediated behavioral deficits in mice

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Asian Pacific Journal of Tropical Biomedicine 2024年第1期14卷 28-39页

作者： Sushruta Koppula Ramesh Alluri Spandana Rajendra Kopalli College of Biomedical and Health Sciences Konkuk UniversityChungju-SiChungcheongbuk Do27478Republic of Korea Cognitive Science research Initiative Lab Department of PharmacologyVishnu Institute of Pharmaceutical Education and ResearchNarsapurTelangana502313India Department of bioscience and biotechnology Sejong UniversityGwangjin-guSeoul 05006Republic of Korea

Objective:To investigate the effect of Foeniculum vulgare extract against lipopolysaccharide(LPS)-induced microglial activation in vitro as well as cognitive behavioral deficits in ***:LPS-activated BV-2 cell viability was measured using MTT assay and reactive oxygen species(ROS)was studied using DCF-DA *** antioxidative enzymes and pro-inflammatory mediators were analyzed using respective ELISA kits and Western *** in vivo testing,LPS(1 mg/kg,i.p.)was given daily for five days in male Swiss albino mice to produce chronic *** and behavioral tests were performed using open-field,passive avoidance,and rotarod experiments in LPS-induced ***:Foeniculum vulgare extract(25,50 and 100μg/mL)significantly attenuated the LPS-activated increase in nitric oxide(NO),ROS,cyclooxygenase-2,inducible NO synthase,IL-6,and TNF-alpha(P<0.05).Moreover,LPS-induced oxidative stress and reduced antioxidative enzyme levels were significantly improved by Foeniculum vulgare extract(P<0.05).The extract also regulated the NF-κB/MAPK signaling in BV-2 *** an in vivo study,Foeniculum vulgare extract(50,100,and 200 mg/kg)markedly mitigated the LPS-induced cognitive and locomotor impairments in *** fingerprinting analysis showed distinctive peaks with rutin,kaempferol-3-O-glucoside,and anethole as identifiable ***:Foeniculum vulgare extract can ameliorate LPS-stimulated neuroinflammatory responses in BV-2 microglial cells and improve cognitive and locomotor performance in LPS-administered mice.

关键词： Foeniculum vulgare Microglia Lipopolysaccharide Antioxidant Neuroinflammation MAPK signaling Cognition

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Structural insights on anti-biofilm mechanism of heated slightly acidic electrolyzed water technology against multi-resistant Staphylococcus aureus biofilm on food contact surface

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Food Science and Human Wellness 2024年第3期13卷 1556-1566页

作者： Pianpian Yan Ramachandran Chelliah Kyoung Hee Jo Xiuqin Chen Akanksha Tyagi Hyeon Yeong Jo Fazle Elahi Nam Chan Woo Min Seung Wook Deog Hwan Oh Department of Food Science and biotechnology College of Agriculture and Life SciencesKangwon National UniversityChuncheon 24341South Korea Kangwon institute ofInclusive Technology(KIIT) Kangwon National UniversityChuncheon 24341South Korea Saveetha School of Engineering (SIMATS)UniversitySriperumbudur 600124India Seoulin bioscience Company Seongnam-si 13488South Korea

Slightly acidic electrolyzed water(SAEW)has proven to be an efficient and novel sanitizer in food and agriculture *** study assessed the efficacy of SAEW(30 mg/L)at 40℃on the inactivation of foodbome pathogens and detachment of multi-resistant Staphylococcus aureus(MRSA)*** underlying mechanism of MRS A biofilm under heated SAEW at 40℃treatment on metabolic profiles was *** results showed that the heated SAEW at 40℃significantly effectively against foodbome pathogens of 1.96-7.56(lg(CFU/g))reduction in pork,chicken,spinach,and *** heated SAEW at 40℃treatment significantly reduced MRS A biofilm cells by 2.41(lg(CFU/cm^(2))).The synergistic effect of SAEW treatment showed intense anti-biofilm activity in decreasing cell density and impairing biofilm cell *** metabolic response of MRSA biofilms,treated by SAEW at 40℃,revealed the alterations of intracellular metabolites,including amino acids,organic acid,fatty acid,and ***,signaling pathways involved in amino acid metabolism,energy metabolism,nucleotide synthesis,carbohydrate metabolites,and lipid biosynthesis were functionally disrupted by the SAEW at 40℃*** per our knowledge,this is the first research to uncover the potential mechanism of heated SAEW treatment against MRSA biofilm on food contact surface.

关键词： Multi-resistant Staphylococcus aureus Metabolic profile SAEW Biofilm Hurdle technology Electrode material

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Extracellular nucleoprotein exacerbates influenza viruspathogenesis by activating Toll-like receptor 4 and the NLRP3inflammasome

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Cellular & Molecular Immunology 2022年第6期19卷 715-725页

作者： Chang-Ung Kim Yu-Jin Jeong Pureum Lee Moo-Seung Lee Jong-Hwan Park Young-Sang Kim Doo-Jin Kim Infectious Disease research Center Korea Research Institute of Bioscience and Biotechnology(KRIBB)DaejeonSouth Korea Department of Biochemistry Chungnam National UniversityDaejeonSouth Korea Environmental Diseases research Center Korea Research Institute of Bioscience and Biotechnology(KRIBB)DaejeonSouth Korea University of Science and Technology(UST) DaejeonSouth Korea College of Veterinary Medicine Chonnam National UniversityGwangjuSouth Korea

Host immune responses, such as those initiated by pattern recognition receptor (PRR) activation, are important for viralclearance and pathogenesis. However, little is known about the interactions of viral proteins with surface PRRs or, moreimportantly, the association of innate immune activation with viral pathogenesis. In this study, we showed that internalinfluenza virus proteins were released from infected cells. Among these proteins, nucleoprotein (NP) played a critical role inviral pathogenesis by stimulating neighboring cells through toll-like receptor (TLR)2, TLR4, and the NLR family pyrin domaincontaining 3 (NLRP3) inflammasome. Through the activation of these PRRs, NP induced the production of interleukin (IL)-1β andIL-6, which subsequently led to the induction of trypsin. Trypsin induced by NP increased the infectivity of influenza virus,leading to increases in viral replication and pathology upon subsequent viral infection. These results reveal the role of releasedNP in influenza pathogenesis and highlight the importance of the interactions of internal viral proteins with PRRs in theextracellular compartment during viral pathogenesis.

关键词： Influenza virus Viral protein release Nucleoprotein Toll-like receptor Cyotkine-trypsin cycle

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Submergence promotes auxin-induced callus formation through ethylene-mediated post-transcriptional control of auxin receptors

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Molecular Plant 2022年第12期15卷 1947-1961页

作者： Seung Yong Shin Yuri Choi Sang-Gyu Kim Su-Jin Park Ji-Sun Park Ki-Beom Moon Hyun-Soon Kim Jae Heung Jeon Hye Sun Cho Hyo-Jun Lee Plant Systems Engineering research Center Korea Research Institute of Bioscience and BiotechnologyDaejeon 34141Korea Department of Functional Genomics KRIBB School of BioscienceUniversity of Science and TechnologyDaejeon 34113Korea Department of Biological Sciences Korea Advanced Institute of Science and TechnologyDaejeon 34141Korea Department of Biosystems and Bioengineering KRIBB School of BiotechnologyUniversity of Science and TechnologyDaejeon 34113Korea Department of Biological Sciences Sungkyunkwan UniversitySuwon 16419Korea

Plant cells in damaged tissue can be reprogrammed to acquire pluripotency and induce callus ***,in the aboveground organs of many species,somatic cells that are distal to the wound site become less sensitive to auxin-induced callus formation,suggesting the existence of repressive regulatory mechanisms that are largely *** we reveal that submergence-induced ethylene signals promote callus formation by releasing post-transcriptional silencing of auxin receptor transcripts in non-wounded *** determined that short-term submergence of intact seedlings induces auxin-mediated cell dedifferentiation across the entirety of Arabidopsis thaliana *** constitutive triple response 1-1(ctr1-1)mutation induced callus formation in explants without submergence,suggesting that ethylene facilitates cell *** show that ETHYLENE-INSENSITIVE 2(EIN2)post-transcriptionally regulates the abundance of transcripts for auxin receptor genes by facilitating microRNA393 ***-induced calli in non-wounded regions were suitable for shoot regeneration,similar to those near the wound *** also observed submergence-promoted callus formation in Chinese cabbage(Brassica rapa),indicating that this may be a conserved mechanism in other *** study identifies previously unknown regulatory mechanisms by which ethylene promotes cell dedifferentiation and provides a new approach for boosting callus induction efficiency in shoot explants.

关键词： cell dedifferentiation auxin signaling ethylene callus formation EIN2

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Adenosine monophosphate enhances callus regeneration competence for de novo plant organogenesis

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Molecular Plant 2023年第12期16卷 1867-1870页

作者： Hong Gil Lee Seo Young Jang Eun Yee Jie Seung Hee Choi Ok-Sun Park Soon Hyung Bae Hyun-Soon Kim Suk Weon Kim Geum-Sook Hwang Pil Joon Seo Department of Chemistry Seoul National UniversitySeoul 08826Korea Plant Genomics and Breeding institute Seoul National UniversitySeoul 08826Korea Integrated Metabolomics research Group Western Seoul CenterKorea Basic Science InstituteSeoul 03759Korea Biological Resource Center Korea Research Institute of Bioscience and BiotechnologyJeongeup56212Korea Plant Systems Engineering research Center Korea Research Institute of Bioscience and BiotechnologyDaejeon 34141Korea College of Pharmacy Chung-Ang UniversitySeoul 06974Korea

Dear Editor,Plant tissue culture involves callus formation and de novo shoot ***,explants from differentiated tissues are used to generate a pluripotent cell mass,called callus,on auxin-rich callus-inducing medium(CIM),followed by shoot regeneration on cytokinin-rich shoot-inducing medium(SiM).Callus results from division of pericycle-like cells(Atta et al.,2009;Sugimoto et al.,2010);its cellular identity resembles that of lateral root primordia(Atta et al.,2009;Sugimoto et al.,2010).Callus acquires cellular pluripotency by forming root stem cell niches on CIM(Sugimoto et al.,2010)。

关键词： Adenosine callus

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Sperm hyaluronidase is critical to mammals'fertilization for its ability to disperse cumulus-oocyte complex layer

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Asian Journal of Andrology 2022年第4期24卷 411-415页

作者： Dong-Won Seol Sang Hoon Joo Young-Hyun Kim Bong-Seok Song Bo-Woong Sim Sun-Uk Kim Soojin Park Gabbine Wee Ekyune Kim Laboratory Animal Center Daegu-Gyeongbuk Medical Innovation Foundation(DGMIF)Daegu 41061Korea College of Pharmacy Catholic University of DaeguGyeongbuk 38430Korea National Primate research Center(NPCR) Korea Research Institute of Bioscience and BiotechnologyChungcheongbuk-do 28116Korea Futuristic Animal Resource and research Center Korea Research Institute of Bioscience and BiotechnologyChungcheongbuk-do 28116Korea Department of Biochemistry and Molecular Biology Melvin and Bren Simon Comprehensive Cancer CenterIndiana University School of MedicineIndianapolisIN 46202USA

Glycosylphosphatidylinositol-anchored sperm hyaluronidases have long been believed to assist in sperm penetration through the cumulus-oocyte complex(COC);however,their role in mammalian fertilization remains ***,we have shown that hyaluronidase 5(Hyal5)/Hyal7 double-knockout(dKO)mice produce significantly fewer offspring than their wild-type(WT)counterparts because of defective COC *** infertility is mainly caused by a low sperm *** can be further exacerbated by the deficiency of sperm hyaluronidase,which disperses the cumulus cells of the outer layer of the *** the current study,we evaluated the effects of a low count of Hyal-deficient sperm and conditions of ovulated oocytes on the fertilization rate using a mouse *** results demonstrated that a low sperm count further decreases the in vitro fertilization(IVF)rate of Hyal-deficient dKO *** addition,the dKO spermatozoa resulted in a fertilization rate of 12.5%upon fertilizing COCs with a thick cumulus layer,whereas the IVF rate was comparable to that of WT spermatozoa when oocytes with a thin or no cumulus layer were ***,we proved that the IVF rate of dKO spermatozoa could be recovered by adding rat spermatozoa as a source of sperm *** results suggest that a deficiency of proteins involved in fertilization,such as sperm hyal,has a vital role in fertilization.

关键词： HYAL5 HYAL7 cumulus-oocyte complex fertilization infertility sperm hyaluronidase

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Diverse Functions of VDUP1 in Cell Proliferation,Differentiation,and Diseases

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Cellular & Molecular Immunology 2007年第5期4卷 345-351页

作者： Sang Yong Kim Hyun-Woo Suh Jin Woong Chung Suk-Ran Yoon Inpyo Choi Stem Cell research Center Korea Research Institute of Bioscience and BiotechnologyYusongTaejon 305-333Republic of Korea

Vitamin D3 up-regulated protein 1 （VDUP1） is a multifunctional protein involved in maintaining cellular homeostasis. VDUP1 is induced by a variety of stresses. Inversely, VDUP1 is often reduced in various tumor tissues and cell lines. Over-expression of VDUP1 inhibits cell proliferation through cell cycle arrest. VDUP1 interacts with thioredoxin （Trx） and negatively regulates the expression and antioxidant function of Trx which is involved in redox regulation. VDUP1/ mice are more susceptible to carcinogenesis than wild-type mice and are defective in establishing immune system induding the development and function of natural killer cells. Furthermore, VDUP1^-/- mice show impaired Kreb cycle-mediated fatty acid utilization. In this review, we have discussed the multifunctional roles of VDUP1 in diverse cellular responses, in particular its relation to proliferation, apoptosis, differentiation, and diseases such as cancer and stress-related diseases.

关键词： VDUP1 thioredoxin proliferation immune cell

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