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Kumar P, Lee JH, Lee J. Diverse roles of microbial indole compounds in eukaryotic systems. Biol Rev Camb Philos Soc 2021; 96:2522-2545. [PMID: 34137156 PMCID: PMC9290978 DOI: 10.1111/brv.12765] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 06/07/2021] [Accepted: 06/08/2021] [Indexed: 02/06/2023]
Abstract
Indole and its derivatives are widespread across different life forms, functioning as signalling molecules in prokaryotes and with more diverse roles in eukaryotes. A majority of indoles found in the environment are attributed to bacterial enzymes converting tryptophan into indole and its derivatives. The involvement of indoles among lower organisms as an interspecies and intraspecies signal is well known, with many reports showing that inter‐kingdom interactions involving microbial indole compounds are equally important as they influence defence systems and even the behaviour of higher organisms. This review summarizes recent advances in our understanding of the functional properties of indole and indole derivatives in diverse eukaryotes. Furthermore, we discuss current perspectives on the role of microbial indoles in human diseases such as diabetes, obesity, atherosclerosis, and cancers. Deciphering the function of indoles as biomarkers of metabolic state will facilitate the formulation of diet‐based treatments and open unique therapeutic opportunities.
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Affiliation(s)
- Prasun Kumar
- School of Chemical Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan, 38541, Republic of Korea
| | - Jin-Hyung Lee
- School of Chemical Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan, 38541, Republic of Korea
| | - Jintae Lee
- School of Chemical Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan, 38541, Republic of Korea
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Xu C, Li Q, Efimova O, Jiang X, Petrova M, K Vinarskaya A, Kolosov P, Aseyev N, Koshkareva K, Ierusalimsky VN, Balaban PM, Khaitovich P. Identification of Immediate Early Genes in the Nervous System of Snail Helix lucorum. eNeuro 2019; 6:ENEURO.0416-18.2019. [PMID: 31053606 PMCID: PMC6584072 DOI: 10.1523/eneuro.0416-18.2019] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2018] [Revised: 03/02/2019] [Accepted: 03/17/2019] [Indexed: 02/06/2023] Open
Abstract
Immediate early genes (IEGs) are useful markers of neuronal activation and essential components of neuronal response. While studies of gastropods have provided many insights into the basic learning and memory mechanisms, the genome-wide assessment of IEGs has been mainly restricted to vertebrates. In this study, we identified IEGs in the terrestrial snail Helix lucorum In the absence of the genome, we conducted de novo transcriptome assembly using reads with short and intermediate lengths cumulatively covering more than 98 billion nucleotides. Based on this assembly, we identified 37 proteins corresponding to contigs differentially expressed (DE) in either the parietal ganglia (PaG) or two giant interneurons located within the PaG of the snail in response to the neuronal stimulation. These proteins included homologues of well-known mammalian IEGs, such as c-jun/jund, C/EBP, c-fos/fosl2, and Egr1, as well as homologues of genes not yet implicated in the neuronal response.
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Affiliation(s)
- Chuan Xu
- CAS Key Laboratory of Computational Biology, Chinese Academy of Sciences-Max Planck Gesellschaft Partner Institute for Computational Biology, Shanghai Institutes for Biological Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Qian Li
- CAS Key Laboratory of Computational Biology, Chinese Academy of Sciences-Max Planck Gesellschaft Partner Institute for Computational Biology, Shanghai Institutes for Biological Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Olga Efimova
- Skolkovo Institute of Science and Technology, Moscow 143026, Russia
| | - Xi Jiang
- CAS Key Laboratory of Computational Biology, Chinese Academy of Sciences-Max Planck Gesellschaft Partner Institute for Computational Biology, Shanghai Institutes for Biological Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Marina Petrova
- CAS Key Laboratory of Computational Biology, Chinese Academy of Sciences-Max Planck Gesellschaft Partner Institute for Computational Biology, Shanghai Institutes for Biological Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Alia K Vinarskaya
- Institute of Higher Nervous Activity and Neurophysiology, Moscow 117485, Russia
| | - Peter Kolosov
- Institute of Higher Nervous Activity and Neurophysiology, Moscow 117485, Russia
| | - Nikolay Aseyev
- Institute of Higher Nervous Activity and Neurophysiology, Moscow 117485, Russia
| | - Kira Koshkareva
- Skolkovo Institute of Science and Technology, Moscow 143026, Russia
| | | | - Pavel M Balaban
- Institute of Higher Nervous Activity and Neurophysiology, Moscow 117485, Russia
| | - Philipp Khaitovich
- Skolkovo Institute of Science and Technology, Moscow 143026, Russia
- Center for Excellence in Animal Evolution and Genetics, Chinese Academy of Sciences, Kunming 650223, China
- Comparative Biology Laboratory, Chinese Academy of Sciences-Max Planck Gesellschaft Partner Institute for Computational Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200031, China
- School of Life Science and Technology, ShanghaiTech University, Shanghai 200031, China
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Ngangbam AK, Mouatt P, Smith J, Waters DLE, Benkendorff K. Bromoperoxidase Producing Bacillus spp. Isolated from the Hypobranchial Glands of a Muricid Mollusc Are Capable of Tyrian Purple Precursor Biogenesis. Mar Drugs 2019; 17:md17050264. [PMID: 31058830 PMCID: PMC6562550 DOI: 10.3390/md17050264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 04/26/2019] [Accepted: 04/30/2019] [Indexed: 11/16/2022] Open
Abstract
The secondary metabolite Tyrian purple, also known as shellfish purple and royal purple, is a dye with historical importance for humans. The biosynthetic origin of Tyrian purple in Muricidae molluscs is not currently known. A possible role for symbiotic bacteria in the production of tyrindoxyl sulphate, the precursor to Tyrian purple stored in the Australian species, Dicathais orbita, has been proposed. This study aimed to culture bacterial symbionts from the purple producing hypobranchial gland, and screen the isolates for bromoperoxidase genes using molecular methods. The ability of bromoperoxidase positive isolates to produce the brominated indole precursor to Tyrian purple was then established by extraction of the culture, and analysis by liquid chromatography-mass spectrometry (LC-MS). In total, 32 bacterial isolates were cultured from D. orbita hypobranchial glands, using marine agar, marine agar with hypobranchial gland aqueous extracts, blood agar, thiosulphate citrate bile salts sucrose agar, and cetrimide agar at pH 7.2. These included 26 Vibrio spp., two Bacillus spp., one Phaeobacter sp., one Shewanella sp., one Halobacillus sp. and one Pseudoalteromonas sp. The two Bacillus species were the only isolates found to have coding sequences for bromoperoxidase enzymes. LC-MS analysis of the supernatant and cell pellets from the bromoperoxidase producing Bacillus spp. cultured in tryptone broth, supplemented with KBr, confirmed their ability to produce the brominated precursor to Tyrian purple, tyrindoxyl sulphate. This study supports a potential role for symbiotic Bacillus spp. in the biosynthesis of Tyrian purple.
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Affiliation(s)
- Ajit Kumar Ngangbam
- Marine Ecology Research Centre, School of Environment, Science and Engineering, Southern Cross University, Lismore, NSW 2480, Australia.
| | - Peter Mouatt
- Southern Cross Plant Science, Southern Cross University, Lismore, NSW 2480, Australia.
| | - Joshua Smith
- Southern Cross Plant Science, Southern Cross University, Lismore, NSW 2480, Australia.
| | - Daniel L E Waters
- Southern Cross Plant Science, Southern Cross University, Lismore, NSW 2480, Australia.
- ARC Industrial Transformation Training Centre for Functional Grains, Charles Sturt University, Wagga, NSW 2650, Australia.
| | - Kirsten Benkendorff
- Marine Ecology Research Centre, School of Environment, Science and Engineering, Southern Cross University, Lismore, NSW 2480, Australia.
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Patnaik BB, Chung JM, Hwang HJ, Sang MK, Park JE, Min HR, Cho HC, Dewangan N, Baliarsingh S, Kang SW, Park SY, Jo YH, Park HS, Kim WJ, Han YS, Lee JS, Lee YS. Transcriptome analysis of air-breathing land slug, Incilaria fruhstorferi reveals functional insights into growth, immunity, and reproduction. BMC Genomics 2019; 20:154. [PMID: 30808280 PMCID: PMC6390351 DOI: 10.1186/s12864-019-5526-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2018] [Accepted: 02/11/2019] [Indexed: 01/27/2023] Open
Abstract
Background Incilaria (= Meghimatium) fruhstorferi is an air-breathing land slug found in restricted habitats of Japan, Taiwan and selected provinces of South Korea (Jeju, Chuncheon, Busan, and Deokjeokdo). The species is on a decline due to depletion of forest cover, predation by natural enemies, and collection. To facilitate the conservation of the species, it is important to decide on a number of traits related to growth, immunity and reproduction addressing fitness advantage of the species. Results The visceral mass transcriptome of I. fruhstorferi was enabled using the Illumina HiSeq 4000 sequencing platform. According to BUSCO (Benchmarking Universal Single-Copy Orthologs) method, the transcriptome was considered complete with 91.8% of ortholog genes present (Single: 70.7%; Duplicated: 21.1%). A total of 96.79% of the raw read sequences were processed as clean reads. TransDecoder identified 197,271 contigs that contained candidate-coding regions. Of a total of 50,230 unigenes, 34,470 (68.62% of the total unigenes) annotated to homologous proteins in the Protostome database (PANM-DB). The GO term and KEGG pathway analysis indicated genes involved in metabolism, phosphatidylinositol signalling system, aminobenzoate degradation, and T-cell receptor signalling pathway. Many genes associated with molluscan innate immunity were categorized under pathogen recognition receptor, TLR signalling pathway, MyD88 dependent pathway, endogenous ligands, immune effectors, antimicrobial peptides, apoptosis, and adaptation-related. The reproduction-associated unigenes showed homology to protein fem-1, spermatogenesis-associated protein, sperm associated antigen, and testis expressed sequences, among others. In addition, we identified key growth-related genes categorized under somatotrophic axis, muscle growth, chitinases and collagens. A total of 4822 Simple Sequence Repeats (SSRs) were also identified from the unigene sequences of I. fruhstorferi. Conclusions This is the first available genomic information for non-model land slug, I. fruhstorferi focusing on genes related to growth, immunity, and reproduction, with additional focus on microsatellites and repeating elements. The transcriptome provides access to greater number of traits of unknown relevance in the species that could be exploited for in-depth analyses of evolutionary plasticity and making informed choices during conservation planning. This would be appropriate for understanding the dynamics of the species on a priority basis considering the ecological, health, and social benefits. Electronic supplementary material The online version of this article (10.1186/s12864-019-5526-3) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Bharat Bhusan Patnaik
- School of Biotech Sciences, Trident Academy of Creative Technology (TACT), F2-B, Chandaka Industrial Estate, Chandrasekharpur, Bhubaneswar, Odisha, 751024, India
| | - Jong Min Chung
- Department of Life Science and Biotechnology, College of Natural Sciences, Soonchunhyang University, 22 Soonchunhyangro, Shinchang-myeon, Asan, Chungchungnam-do, 31538, South Korea
| | - Hee Ju Hwang
- Department of Life Science and Biotechnology, College of Natural Sciences, Soonchunhyang University, 22 Soonchunhyangro, Shinchang-myeon, Asan, Chungchungnam-do, 31538, South Korea
| | - Min Kyu Sang
- Department of Life Science and Biotechnology, College of Natural Sciences, Soonchunhyang University, 22 Soonchunhyangro, Shinchang-myeon, Asan, Chungchungnam-do, 31538, South Korea
| | - Jie Eun Park
- Department of Life Science and Biotechnology, College of Natural Sciences, Soonchunhyang University, 22 Soonchunhyangro, Shinchang-myeon, Asan, Chungchungnam-do, 31538, South Korea
| | - Hye Rin Min
- Department of Life Science and Biotechnology, College of Natural Sciences, Soonchunhyang University, 22 Soonchunhyangro, Shinchang-myeon, Asan, Chungchungnam-do, 31538, South Korea
| | - Hang Chul Cho
- Department of Life Science and Biotechnology, College of Natural Sciences, Soonchunhyang University, 22 Soonchunhyangro, Shinchang-myeon, Asan, Chungchungnam-do, 31538, South Korea
| | - Neha Dewangan
- School of Biotech Sciences, Trident Academy of Creative Technology (TACT), F2-B, Chandaka Industrial Estate, Chandrasekharpur, Bhubaneswar, Odisha, 751024, India
| | - Snigdha Baliarsingh
- School of Biotech Sciences, Trident Academy of Creative Technology (TACT), F2-B, Chandaka Industrial Estate, Chandrasekharpur, Bhubaneswar, Odisha, 751024, India
| | - Se Won Kang
- Biological Resource Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), 181, Ipsin-gil, Jungeup-si, Jeollabuk-do, 56212, South Korea
| | - So Young Park
- Nakdonggang National Institute of Biological Resources, Biodiversity Conservation and Change Research Division, 137, Donam-2-gil, Sangju-si, Gyeongsangbuk-do, 37242, South Korea
| | - Yong Hun Jo
- College of Agriculture and Life Science, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju, 61186, South Korea
| | - Hong Seog Park
- Research Institute, GnC BIO Co., LTD, 621-6 Banseok-dong, Yuseong-gu, Daejeon, 34069, Republic of Korea
| | - Wan Jong Kim
- Department of Life Science and Biotechnology, College of Natural Sciences, Soonchunhyang University, 22 Soonchunhyangro, Shinchang-myeon, Asan, Chungchungnam-do, 31538, South Korea
| | - Yeon Soo Han
- College of Agriculture and Life Science, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju, 61186, South Korea
| | - Jun Sang Lee
- Institute of Basic Science, Soonchunhyang University, 22 Soonchunhyangro, Shinchang-myeon, Asan, Chungchungnam-do, 31538, South Korea
| | - Yong Seok Lee
- Department of Life Science and Biotechnology, College of Natural Sciences, Soonchunhyang University, 22 Soonchunhyangro, Shinchang-myeon, Asan, Chungchungnam-do, 31538, South Korea.
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