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de Almeida CP, Barbosa RR, Ferraz CG, de Castro RD, Ribeiro PR. Genome-wide identification of the GDSL-type esterase/lipase protein (GELP) gene family in Ricinus communis and its transcriptional regulation during germination and seedling establishment under different abiotic stresses. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 214:108939. [PMID: 39029309 DOI: 10.1016/j.plaphy.2024.108939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 07/10/2024] [Accepted: 07/13/2024] [Indexed: 07/21/2024]
Abstract
GDSL-type esterase/lipase protein (GELP) genes are crucial in the specialized lipid metabolism, in the responses to abiotic stresses, and in the regulation of plant homeostasis. R. communis is an important oilseed crop species that can sustain growth and productivity when exposed to harsh environmental conditions. Herein, we raised the question of whether the GELP gene family could be involved in the acquisition of R. communis tolerance to abiotic stresses during seed germination and seedling establishment. Thus, we used bioinformatics and transcriptomics to characterize the R. communis GELP gene family. R. communis genome possesses 96 GELP genes that were characterized by extensive bioinformatics, including phylogenetic analysis, subcellular localization, exon-intron distribution, the analysis of regulatory cis-elements, tandem duplication, and physicochemical properties. Transcriptomics indicated that numerous RcGELP genes are readily responsive to high-temperature and salt stresses and might be potential candidates for genome editing techniques to develop abiotic stress-tolerant crops.
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Affiliation(s)
- Catherine P de Almeida
- Metabolomics Research Group, Instituto de Química, Universidade Federal da Bahia, Rua Barão de Jeremoabo s/n, 40170-115, Salvador, Brazil; Programa de Pós-Graduação em Química, Instituto de Química, Universidade Federal da Bahia, Rua Barão de Jeremoabo s/n, 40170-115, Salvador, Brazil
| | - Rhaissa R Barbosa
- Metabolomics Research Group, Instituto de Química, Universidade Federal da Bahia, Rua Barão de Jeremoabo s/n, 40170-115, Salvador, Brazil; Programa de Pós-Graduação em Química, Instituto de Química, Universidade Federal da Bahia, Rua Barão de Jeremoabo s/n, 40170-115, Salvador, Brazil
| | - Caline G Ferraz
- Metabolomics Research Group, Instituto de Química, Universidade Federal da Bahia, Rua Barão de Jeremoabo s/n, 40170-115, Salvador, Brazil; Programa de Pós-Graduação em Química, Instituto de Química, Universidade Federal da Bahia, Rua Barão de Jeremoabo s/n, 40170-115, Salvador, Brazil
| | - Renato D de Castro
- Metabolomics Research Group, Instituto de Química, Universidade Federal da Bahia, Rua Barão de Jeremoabo s/n, 40170-115, Salvador, Brazil
| | - Paulo R Ribeiro
- Metabolomics Research Group, Instituto de Química, Universidade Federal da Bahia, Rua Barão de Jeremoabo s/n, 40170-115, Salvador, Brazil; Programa de Pós-Graduação em Química, Instituto de Química, Universidade Federal da Bahia, Rua Barão de Jeremoabo s/n, 40170-115, Salvador, Brazil.
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Sarangle Y, Bamel K, Purty RS. Role of acetylcholine and acetylcholinesterase in improving abiotic stress resistance/tolerance. Commun Integr Biol 2024; 17:2353200. [PMID: 38827581 PMCID: PMC11141473 DOI: 10.1080/19420889.2024.2353200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Accepted: 05/06/2024] [Indexed: 06/04/2024] Open
Abstract
Abiotic stress that plants face may impact their growth and limit their productivity. In response to abiotic stress, several endogenous survival mechanisms get activated, including the synthesis of quaternary amines in plants. Acetylcholine (ACh), a well-known quaternary amine, and its components associated with cholinergic signaling are known to contribute to a variety of physiological functions. However, their role under abiotic stress is not well documented. Even after several studies, there is a lack of a comprehensive understanding of how cholinergic components mitigate abiotic stress in plants. Acetylcholine hydrolyzing enzyme acetylcholinesterase (AChE) belongs to the GDSL lipase/acylhydrolase protein family and has been found in several plant species. Several studies have demonstrated that GDSL members are involved in growth, development, and abiotic stress. This review summarizes all the possible mitigating effects of the ACh-AChE system on abiotic stress tolerance and will try to highlight all the progress made so far in this field.
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Affiliation(s)
- Yashika Sarangle
- University School of Biotechnology, Guru Gobind Singh Indraprastha University, New Delhi, India
| | - Kiran Bamel
- Department of Botany, Shivaji College, University of Delhi, New Delhi, India
| | - Ram Singh Purty
- University School of Biotechnology, Guru Gobind Singh Indraprastha University, New Delhi, India
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Ekanayake S, Egodawatta C, Attanayake RN, Perera D. From salt pan to saucepan:
Salicornia
, a halophytic vegetable with an array of potential health benefits. FOOD FRONTIERS 2023. [DOI: 10.1002/fft2.214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Affiliation(s)
- Sadini Ekanayake
- Department of Bioprocess Technology, Faculty of Technology Rajarata University of Sri Lanka Mihinthale Sri Lanka
| | - Chaminda Egodawatta
- Department of Plant Sciences, Faculty of Agriculture Rajarata University of Sri Lanka Anuradhapura Sri Lanka
| | - Renuka N. Attanayake
- Department of Plant and Molecular Biology, Faculty of Science University of Kelaniya Kelaniya Sri Lanka
| | - Dinum Perera
- Department of Bioprocess Technology, Faculty of Technology Rajarata University of Sri Lanka Mihinthale Sri Lanka
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Acetylcholine Content in 100 Accessions from the Worldwide Eggplant (Solanum melongena L.) Core Collection. J Food Compost Anal 2023. [DOI: 10.1016/j.jfca.2023.105233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
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5
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Chebotar VK, Chizhevskaya EP, Baganova ME, Keleinikova OV, Yuzikhin OS, Zaplatkin AN, Khonina OV, Kostitsin RD, Lapenko NG. Endophytes from Halotolerant Plants Aimed to Overcome Salinity and Draught. PLANTS (BASEL, SWITZERLAND) 2022; 11:2992. [PMID: 36365445 PMCID: PMC9658857 DOI: 10.3390/plants11212992] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 10/30/2022] [Accepted: 11/03/2022] [Indexed: 06/16/2023]
Abstract
The aim of our research was to study the endosphere of four halophytic plants: Salicornia europaea L., Salsola australis (R.Br.), Bassia sedoides (Pall.) and Kochia prostrata (L.) Schrad. from arid and saline areas of the Stavropol Territory, Russia. In total, 28 endophyte strains were isolated from the roots and stems of these halophytic plants. Most of the isolates (23 out of 28) were identified as Bacillus sp. while others belonged to the genera Oceanobacillus, Paenibacillus, Pantoea, Alcaligenes and Myroides. Three strains of Bacillus sp. (Se5R, Se1-1R, and Se1-3S), isolated from the S. europaea were capable of growth at 55 °C and in 10% of NaCl. Strains Se1-4S, Kp20-2S, and Bs11-2S Bacillus sp. (isolated from the S. australis, K. prostrata and B. sedoides, respectively) demonstrated strong plant growth promoting activity: 85-265% over control lettuce plants and a high degree of growth suppression (59.1-81.2%) of pathogenic fungi Fusarium oxysporum, Bipolaris sorokiniana and Rhizoctonia solani. Selected strains can be promising candidates for the development of bioinoculants to facilitate salt soil phytoremediation and be beneficial for mitigating the salt stress to the plants growing in salt-affected habitats.
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Affiliation(s)
- Vladimir K. Chebotar
- All-Russia Research Institute for Agricultural Microbiology, Podbelskogo hwy, 3, Pushkin, St. Petersburg 196608, Russia
| | - Elena P. Chizhevskaya
- All-Russia Research Institute for Agricultural Microbiology, Podbelskogo hwy, 3, Pushkin, St. Petersburg 196608, Russia
| | - Maria E. Baganova
- All-Russia Research Institute for Agricultural Microbiology, Podbelskogo hwy, 3, Pushkin, St. Petersburg 196608, Russia
| | - Oksana V. Keleinikova
- All-Russia Research Institute for Agricultural Microbiology, Podbelskogo hwy, 3, Pushkin, St. Petersburg 196608, Russia
| | - Oleg S. Yuzikhin
- All-Russia Research Institute for Agricultural Microbiology, Podbelskogo hwy, 3, Pushkin, St. Petersburg 196608, Russia
| | - Alexander N. Zaplatkin
- All-Russia Research Institute for Agricultural Microbiology, Podbelskogo hwy, 3, Pushkin, St. Petersburg 196608, Russia
| | - Olesya V. Khonina
- North Caucasus Federal Scientific Agrarian Center, Federal State Budgetary Scientific Institution, Stavropol Territory, Nikonova str., 49, Shpakovsky District, Mikhailovsk 356241, Russia
| | - Roman D. Kostitsin
- North Caucasus Federal Scientific Agrarian Center, Federal State Budgetary Scientific Institution, Stavropol Territory, Nikonova str., 49, Shpakovsky District, Mikhailovsk 356241, Russia
| | - Nina G. Lapenko
- North Caucasus Federal Scientific Agrarian Center, Federal State Budgetary Scientific Institution, Stavropol Territory, Nikonova str., 49, Shpakovsky District, Mikhailovsk 356241, Russia
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Cenci A, Concepción-Hernández M, Guignon V, Angenon G, Rouard M. Genome-Wide Classification and Phylogenetic Analyses of the GDSL-Type Esterase/Lipase (GELP) Family in Flowering Plants. Int J Mol Sci 2022; 23:ijms232012114. [PMID: 36292971 PMCID: PMC9602515 DOI: 10.3390/ijms232012114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 10/05/2022] [Accepted: 10/07/2022] [Indexed: 11/16/2022] Open
Abstract
GDSL-type esterase/lipase (GELP) enzymes have key functions in plants, such as developmental processes, anther and pollen development, and responses to biotic and abiotic stresses. Genes that encode GELP belong to a complex and large gene family, ranging from tens to more than hundreds of members per plant species. To facilitate functional transfer between them, we conducted a genome-wide classification of GELP in 46 plant species. First, we applied an iterative phylogenetic method using a selected set of representative angiosperm genomes (three monocots and five dicots) and identified 10 main clusters, subdivided into 44 orthogroups (OGs). An expert curation for gene structures, orthogroup composition, and functional annotation was made based on a literature review. Then, using the HMM profiles as seeds, we expanded the classification to 46 plant species. Our results revealed the variable evolutionary dynamics between OGs in which some expanded, mostly through tandem duplications, while others were maintained as single copies. Among these, dicot-specific clusters and specific amplifications in monocots and wheat were characterized. This approach, by combining manual curation and automatic identification, was effective in characterizing a large gene family, allowing the establishment of a classification framework for gene function transfer and a better understanding of the evolutionary history of GELP.
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Affiliation(s)
- Alberto Cenci
- Bioversity International, Parc Scientifique Agropolis II, 34397 Montpellier, France
- Correspondence: (A.C.); (M.R.)
| | - Mairenys Concepción-Hernández
- Instituto de Biotecnología de las Plantas, Universidad Central “Marta Abreu” de Las Villas (UCLV), Carretera a Camajuaní km 5.5, Santa Clara C.P. 54830, Villa Clara, Cuba
- Research Group Plant Genetics, Vrije Universiteit Brussel (VUB), Pleinlaan 2, 1050 Brussels, Belgium
| | - Valentin Guignon
- Bioversity International, Parc Scientifique Agropolis II, 34397 Montpellier, France
| | - Geert Angenon
- Research Group Plant Genetics, Vrije Universiteit Brussel (VUB), Pleinlaan 2, 1050 Brussels, Belgium
| | - Mathieu Rouard
- Bioversity International, Parc Scientifique Agropolis II, 34397 Montpellier, France
- Correspondence: (A.C.); (M.R.)
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7
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Raza A, Salehi H, Rahman MA, Zahid Z, Madadkar Haghjou M, Najafi-Kakavand S, Charagh S, Osman HS, Albaqami M, Zhuang Y, Siddique KHM, Zhuang W. Plant hormones and neurotransmitter interactions mediate antioxidant defenses under induced oxidative stress in plants. FRONTIERS IN PLANT SCIENCE 2022; 13:961872. [PMID: 36176673 PMCID: PMC9514553 DOI: 10.3389/fpls.2022.961872] [Citation(s) in RCA: 68] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Accepted: 08/03/2022] [Indexed: 05/24/2023]
Abstract
Due to global climate change, abiotic stresses are affecting plant growth, productivity, and the quality of cultivated crops. Stressful conditions disrupt physiological activities and suppress defensive mechanisms, resulting in stress-sensitive plants. Consequently, plants implement various endogenous strategies, including plant hormone biosynthesis (e.g., abscisic acid, jasmonic acid, salicylic acid, brassinosteroids, indole-3-acetic acid, cytokinins, ethylene, gibberellic acid, and strigolactones) to withstand stress conditions. Combined or single abiotic stress disrupts the normal transportation of solutes, causes electron leakage, and triggers reactive oxygen species (ROS) production, creating oxidative stress in plants. Several enzymatic and non-enzymatic defense systems marshal a plant's antioxidant defenses. While stress responses and the protective role of the antioxidant defense system have been well-documented in recent investigations, the interrelationships among plant hormones, plant neurotransmitters (NTs, such as serotonin, melatonin, dopamine, acetylcholine, and γ-aminobutyric acid), and antioxidant defenses are not well explained. Thus, this review discusses recent advances in plant hormones, transgenic and metabolic developments, and the potential interaction of plant hormones with NTs in plant stress response and tolerance mechanisms. Furthermore, we discuss current challenges and future directions (transgenic breeding and genome editing) for metabolic improvement in plants using modern molecular tools. The interaction of plant hormones and NTs involved in regulating antioxidant defense systems, molecular hormone networks, and abiotic-induced oxidative stress tolerance in plants are also discussed.
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Affiliation(s)
- Ali Raza
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Oil Crops Research Institute, Center of Legume Crop Genetics and Systems Biology/College of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Hajar Salehi
- Laboratory of Plant Cell Biology, Department of Biology, Bu-Ali Sina University, Hamedan, Iran
| | - Md Atikur Rahman
- Grassland and Forage Division, National Institute of Animal Science, Rural Development Administration, Cheonan, South Korea
| | - Zainab Zahid
- Institute of Environmental Sciences and Engineering, School of Civil and Environmental Engineering, National University of Sciences and Technology, Islamabad, Pakistan
| | - Maryam Madadkar Haghjou
- Department of Biology, Plant Physiology, Faculty of Science, Lorestan University, Khorramabad, Iran
| | - Shiva Najafi-Kakavand
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Sidra Charagh
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China
| | - Hany S. Osman
- Department of Agricultural Botany, Faculty of Agriculture, Ain Shams University, Cairo, Egypt
| | - Mohammed Albaqami
- Department of Biology, Faculty of Applied Science, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Yuhui Zhuang
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
| | | | - Weijian Zhuang
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Oil Crops Research Institute, Center of Legume Crop Genetics and Systems Biology/College of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, China
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8
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Yamamoto K, Momonoki YS. Identification and molecular characterization of propionylcholinesterase, a novel pseudocholinesterase in rice. PLANT SIGNALING & BEHAVIOR 2021; 16:1961062. [PMID: 34334124 PMCID: PMC8525928 DOI: 10.1080/15592324.2021.1961062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 07/21/2021] [Accepted: 07/23/2021] [Indexed: 06/13/2023]
Abstract
Cholinesterase is consisting of acetylcholinesterase (AChE) and pseudocholinesterase in vertebrates and invertebrates. AChE gene has been identified in several plant species, while pseudocholinesterase gene has not yet been found in any plant species. In this study, we report that the AChE gene paralog encodes propionylcholinesterase (PChE), a pseudocholinesterase in rice. PChE was found to be located adjacent to AChE (Os07g0586200) on rice chromosome 7 and designated as Os07g0586100. Phylogenetic tree analysis showed a close relationship between rice AChE and PChE. PChE-overexpressing rice had higher hydrolytic activity toward propionylthiocholine than acetylthiocholine and showed extremely low activity against butyrylthiocholine. Therefore, the PChE gene product was characterized as a propionylcholinesterase, a pseudocholinesterase. The rice PChE displayed lower sensitivity to the cholinesterase inhibitor, neostigmine bromide, than electric eel, maize, and rice AChEs. The recombinant PChE functions as a 171 kDa homotetramer. PChE was expressed during the later developmental stage, and it was found be localized in the extracellular spaces of the rice leaf tissue. These results suggest that the rice plant possesses PChE, which functions in the extracellular spaces at a later developmental stage. To the best of our knowledge, this study provides the first direct evidence and molecular characterization of PChE in plants.
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Affiliation(s)
- Kosuke Yamamoto
- Department of Molecular Microbiology, Faculty of Life Sciences, Tokyo University of Agriculture, Tokyo, Japan
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9
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Kim S, Lee EY, Hillman PF, Ko J, Yang I, Nam SJ. Chemical Structure and Biological Activities of Secondary Metabolites from Salicornia europaea L. Molecules 2021; 26:2252. [PMID: 33924656 PMCID: PMC8069253 DOI: 10.3390/molecules26082252] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Revised: 04/08/2021] [Accepted: 04/10/2021] [Indexed: 12/31/2022] Open
Abstract
Salicornia europaea L. is a halophyte that grows in salt marshes and muddy seashores, which is widely used both as traditional medicine and as an edible vegetable. This salt-tolerant plant is a source of diverse secondary metabolites with several therapeutic properties, including antioxidant, antidiabetic, cytotoxic, anti-inflammatory, and anti-obesity effects. Therefore, this review summarizes the chemical structure and biological activities of secondary metabolites isolated from Salicornia europaea L.
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Affiliation(s)
- Sojeong Kim
- Graduate School of Industrial Pharmaceutical Sciences, Ewha Womans University, Seoul 03760, Korea;
| | - Eun-Young Lee
- Department of Chemistry and Nanoscience, Ewha Womans University, Seoul 03760, Korea; (E.-Y.L.); (P.F.H.)
| | - Prima F. Hillman
- Department of Chemistry and Nanoscience, Ewha Womans University, Seoul 03760, Korea; (E.-Y.L.); (P.F.H.)
| | - Jaeyoung Ko
- AMOREPACIFIC Research and Development Center, Yongin 17074, Korea;
| | - Inho Yang
- Department of Convergence Study on the Ocean Science and Technology, Korea Maritime and Ocean University, Busan 49112, Korea
| | - Sang-Jip Nam
- Department of Chemistry and Nanoscience, Ewha Womans University, Seoul 03760, Korea; (E.-Y.L.); (P.F.H.)
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10
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Qin C, Ahanger MA, Zhou J, Ahmed N, Wei C, Yuan S, Ashraf M, Zhang L. Beneficial role of acetylcholine in chlorophyll metabolism and photosynthetic gas exchange in Nicotiana benthamiana seedlings under salinity stress. PLANT BIOLOGY (STUTTGART, GERMANY) 2020; 22:357-365. [PMID: 31811780 DOI: 10.1111/plb.13079] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2019] [Accepted: 11/18/2019] [Indexed: 05/27/2023]
Abstract
Acetylcholine (ACh) is believed to improve plant growth. However, regulation at biochemical and molecular levels is largely unknown. The present study investigated the impact of exogenously applied ACh (10 µm) on growth and chlorophyll metabolism in hydroponically grown Nicotiana benthamiana under salt stress (150 mm NaCl). Salinity reduced root hydraulic conductivity while ACh-treated seedlings exhibited a significant increase, resulting in increased relative water content. Salinity induced a reduction in chlorophyll biosynthetic intermediates, such as protoporphyrin-IX, Mg-photoporphyrin-IX and protochlorophyllide, which were significantly ameliorated in the presence of ACh. This influence of ACh on chlorophyll synthesis was confirmed by up-regulation of HEMA1, CHLH, CAO and POR genes. Gas exchange parameters, i.e. stomatal conductance, internal CO2 concentration and transpiration rate, increased with ACh, thereby alleviating the salinity effects on photosynthesis. In addition, the salinity-induced enhancement of lipid peroxidation declined after ACh treatment through modulation of the activity of the assayed antioxidant enzymes (superoxide dismutase and peroxidase). Importantly, ACh significantly reduced the uptake of Na and increased uptake of K, resulting in a decline in the Na/K ratio. Results of the present study indicate that ACh can be effective in ameliorating NaCl-induced osmotic stress, altering chlorophyll metabolism and thus photosynthesis by maintaining ion homeostasis, hydraulic conductivity and water balance.
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Affiliation(s)
- C Qin
- College of Life Sciences, Northwest A&F University, Yangling, China
| | - M A Ahanger
- College of Life Sciences, Northwest A&F University, Yangling, China
| | - J Zhou
- College of Chemistry & Pharmacy, Northwest A&F University, Yangling, China
| | - N Ahmed
- Department of Botany, Mohi-Ud-Din Islamic University, Tarar Khal, Pakistan
| | - C Wei
- Shaanxi Tobacco Scientific Institution, Xi'an, China
| | - S Yuan
- Technology Center of Shaanxi China Tobacco Industrial Co., Ltd., Xi'an, China
| | - M Ashraf
- Institute of Molecular Biology and Biotechnology, The University of Lahore, Lahore, Pakistan
- University of Agriculture, Faisalabad, Pakistan
| | - L Zhang
- College of Life Sciences, Northwest A&F University, Yangling, China
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11
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Yamamoto K, Shiwa Y, Ishige T, Sakamoto H, Tanaka K, Uchino M, Tanaka N, Oguri S, Saitoh H, Tsushima S. Bacterial Diversity Associated With the Rhizosphere and Endosphere of Two Halophytes: Glaux maritima and Salicornia europaea. Front Microbiol 2018; 9:2878. [PMID: 30555434 PMCID: PMC6282094 DOI: 10.3389/fmicb.2018.02878] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Accepted: 11/09/2018] [Indexed: 12/22/2022] Open
Abstract
Root-associated microbial communities are very important in the adaptation of halophytes to coastal environments. However, little has been reported on microbial community structures related to halophytes, or on comparisons of their compositions among halophytic plant species. Here, we studied the diversity and community structure of both rhizosphere and root endosphere bacteria in two halophytic plants: Glaux maritima and Salicornia europaea. We sampled the rhizosphere, the root endosphere, and bulk control soil samples, and performed bacterial 16S rRNA sequencing using the Illumina MiSeq platform to characterize the bacterial community diversities in the rhizosphere and root endosphere of both halophytes. Among the G. maritima samples, the richness and diversity of bacteria in the rhizosphere were higher than those in the root endosphere but were lower than those of the bulk soil. In contrast for S. europaea, the bulk soil, the rhizosphere, and the root endosphere all had similar bacterial richness and diversity. The number of unique operational taxonomic units within the root endosphere, the rhizosphere, and the bulk soil were 181, 366, and 924 in G. maritima and 126, 416, and 596 in S. europaea, respectively, implying habitat-specific patterns for each halophyte. In total, 35 phyla and 566 genera were identified. The dominant phyla across all samples were Proteobacteria and Bacteroidetes. Actinobacteria was extremely abundant in the root endosphere from G. maritima. Beneficial bacterial genera were enriched in the root endosphere and rhizosphere in both halophytes. Rhizobium, Actinoplanes, and Marinomonas were highly abundant in G. maritima, whereas Sulfurimonas and Coleofasciculus were highly abundant in S. europaea. A principal coordinate analysis demonstrated significant differences in the microbiota composition associated with the plant species and type of sample. These results strongly indicate that there are clear differences in bacterial community structure and diversity between G. maritima and S. europaea. This is the first report to characterize the root microbiome of G. maritima, and to compare the diversity and community structure of rhizosphere and root endosphere bacteria between G. maritima and S. europaea.
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Affiliation(s)
- Kosuke Yamamoto
- Department of Molecular Microbiology, Faculty of Life Sciences, Tokyo University of Agriculture, Tokyo, Japan
| | - Yuh Shiwa
- Department of Molecular Microbiology, Faculty of Life Sciences, Tokyo University of Agriculture, Tokyo, Japan.,NODAI Genome Research Center, Tokyo University of Agriculture, Tokyo, Japan
| | - Taichiro Ishige
- NODAI Genome Research Center, Tokyo University of Agriculture, Tokyo, Japan
| | - Hikaru Sakamoto
- Department of Northern Biosphere Agriculture, Faculty of Bioindustry, Tokyo University of Agriculture, Hokkaido, Japan
| | - Keisuke Tanaka
- NODAI Genome Research Center, Tokyo University of Agriculture, Tokyo, Japan
| | - Masataka Uchino
- Department of Molecular Microbiology, Faculty of Life Sciences, Tokyo University of Agriculture, Tokyo, Japan
| | - Naoto Tanaka
- Department of Molecular Microbiology, Faculty of Life Sciences, Tokyo University of Agriculture, Tokyo, Japan
| | - Suguru Oguri
- Department of Northern Biosphere Agriculture, Faculty of Bioindustry, Tokyo University of Agriculture, Hokkaido, Japan
| | - Hiromasa Saitoh
- Department of Molecular Microbiology, Faculty of Life Sciences, Tokyo University of Agriculture, Tokyo, Japan
| | - Seiya Tsushima
- Department of Molecular Microbiology, Faculty of Life Sciences, Tokyo University of Agriculture, Tokyo, Japan
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12
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Patel S. Salicornia: evaluating the halophytic extremophile as a food and a pharmaceutical candidate. 3 Biotech 2016; 6:104. [PMID: 28330174 PMCID: PMC4835422 DOI: 10.1007/s13205-016-0418-6] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2016] [Accepted: 03/21/2016] [Indexed: 12/24/2022] Open
Abstract
Food insecurity is a major issue in current scenario where a large section of mankind is at risk of insufficient diet. As food productivity has its limits, the prospecting of unutilized or underutilized flora as food candidates is collectively recognized as a sustainable option. In the past decade, a number of obscure plants have been identified to be rich in dietary components and deemed fit for integration into the food platter. This review discusses a candidate Salicornia, belonging to family Amaranthaceae. This halophyte has a broad geographical distribution, and phytochemical profiling has indicated its food relevance. An array of functional nutrients as fibers, polyphenols, and flavonoids have been detected in Salicornia. Though high salt, oxalate and saponin content in the plants are anti-nutrients, they can be removed to justify usage of Salicornia as a ‘sea vegetable’. Apart from culinary relevance, medicinal attributes like immunomodulatory, lipid-lowering, antiproliferative, osteoprotective, and hypoglycemic render this lesser-known marsh plant significant for phytochemical studies. This appraisal is expected to be useful towards further research and popularization of this extremophile halophyte.
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Affiliation(s)
- Seema Patel
- Bioinformatics and Medical Informatics Research Center, San Diego State University, 5500 Campanile Dr, San Diego, CA, 92182, USA.
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Mahdavi V, Ghanati F, Ghassempour A. Integrated pathway-based and network-based analysis of GC-MS rice metabolomics data under diazinon stress to infer affected biological pathways. Anal Biochem 2015; 494:31-6. [PMID: 26582432 DOI: 10.1016/j.ab.2015.10.017] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2015] [Revised: 10/27/2015] [Accepted: 10/30/2015] [Indexed: 11/29/2022]
Abstract
Diazinon insecticide is widely applied in rice (Oryza sativa L.) fields in Iran. However, concerns are now being raised about its potential adverse impacts on rice. In this study, a time-course metabolic change in rice plants was investigated after diazinon treatment using gas chromatography-mass spectrometry (GC-MS) and subsequently three different methods, MetaboAnalyst, MetaboNetwork, and analysis of reporter reactions, as a potential multivariate method were used to find the underlying changes in metabolism with stronger evidence in order to link differentially expressed metabolites to biological pathways. Results clearly showed the similarity of acetylcholinesterase (AChE) of rice plants to that of animals in terms of its inhibitability by diazinon and emphasized that subsequent accumulation of AChE mainly affects the metabolism of osmolites and tricarboxylic acid intermediates subsequent accumulation of ACh mainly affects the metabolism of osmolites and TCA intermediates.
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Affiliation(s)
- Vahideh Mahdavi
- Pesticide Research Department, Iranian Research Institute of Plant Protection (IRIPP), P.O. Box 1475744741, Tehran, Iran
| | - Faezeh Ghanati
- Department of Phytochemistry, Medicinal Plants and Drugs Research Institute, Shahid Beheshti University, G.C. Evin, P.O. Box 19835-389, Tehran, Iran
| | - Alireza Ghassempour
- Department of Plant Biology, Faculty of Biological Science, Tarbiat Modares University, P.O. Box 14115154, Tehran, Iran.
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14
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Yamamoto K, Shida S, Honda Y, Shono M, Miyake H, Oguri S, Sakamoto H, Momonoki YS. Overexpression of acetylcholinesterase gene in rice results in enhancement of shoot gravitropism. Biochem Biophys Res Commun 2015; 465:488-93. [PMID: 26277389 DOI: 10.1016/j.bbrc.2015.08.044] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2015] [Accepted: 08/10/2015] [Indexed: 10/23/2022]
Abstract
Acetylcholine (ACh), a known neurotransmitter in animals and acetylcholinesterase (AChE) exists widely in plants, although its role in plant signal transduction is unclear. We previously reported AChE in Zea mays L. might be related to gravitropism based on pharmacological study using an AChE inhibitor. Here we clearly demonstrate plant AChE play an important role as a positive regulator in the gravity response of plants based on a genetic study. First, the gene encoding a second component of the ACh-mediated signal transduction system, AChE was cloned from rice, Oryza sativa L. ssp. Japonica cv. Nipponbare. The rice AChE shared high homology with maize, siratro and Salicornia AChEs. Similar to animal and other plant AChEs, the rice AChE hydrolyzed acetylthiocholine and propionylthiocholine, but not butyrylthiocholine. Thus, the rice AChE might be characterized as an AChE (E.C.3.1.1.7). Similar to maize and siratro AChEs, the rice AChE exhibited low sensitivity to the AChE inhibitor, neostigmine bromide, compared with the electric eel AChE. Next, the functionality of rice AChE was proved by overexpression in rice plants. The rice AChE was localized in extracellular spaces of rice plants. Further, the rice AChE mRNA and its activity were mainly detected during early developmental stages (2 d-10 d after sowing). Finally, by comparing AChE up-regulated plants with wild-type, we found that AChE overexpression causes an enhanced gravitropic response. This result clearly suggests that the function of the rice AChE relate to positive regulation of gravitropic response in rice seedlings.
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Affiliation(s)
- Kosuke Yamamoto
- Faculty of Bioindustry, Tokyo University of Agriculture, 196 Yasaka, Abashiri, Hokkaido, 099-2493, Japan.
| | - Satoshi Shida
- Faculty of Bioindustry, Tokyo University of Agriculture, 196 Yasaka, Abashiri, Hokkaido, 099-2493, Japan
| | - Yoshihiro Honda
- Faculty of Bioindustry, Tokyo University of Agriculture, 196 Yasaka, Abashiri, Hokkaido, 099-2493, Japan
| | - Mariko Shono
- Tropical Agriculture Research Front, Japan International Research Center for Agricultural Sciences, Maezato-Kawarabaru, Ishigaki, Okinawa, 907-0002, Japan
| | - Hiroshi Miyake
- Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, 464-8601, Japan
| | - Suguru Oguri
- Faculty of Bioindustry, Tokyo University of Agriculture, 196 Yasaka, Abashiri, Hokkaido, 099-2493, Japan
| | - Hikaru Sakamoto
- Faculty of Bioindustry, Tokyo University of Agriculture, 196 Yasaka, Abashiri, Hokkaido, 099-2493, Japan
| | - Yoshie S Momonoki
- Faculty of Bioindustry, Tokyo University of Agriculture, 196 Yasaka, Abashiri, Hokkaido, 099-2493, Japan.
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15
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Murata J, Watanabe T, Sugahara K, Yamagaki T, Takahashi T. High-resolution mass spectrometry for detecting Acetylcholine in Arabidopsis. PLANT SIGNALING & BEHAVIOR 2015; 10:e1074367. [PMID: 26237653 PMCID: PMC4883864 DOI: 10.1080/15592324.2015.1074367] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2015] [Revised: 07/14/2015] [Accepted: 07/14/2015] [Indexed: 05/26/2023]
Abstract
Acetylcholine (ACh) was first identified a century ago, and has long been known as a neurotransmitter in animals. However, it has been shown recently that the occurrence of ACh is widespread among various non-animal species including higher plants. Although previous reports suggest that various plant species are capable of responding to exogenously applied ACh, the molecular basis for ACh biosynthesis and regulatory mechanisms mediated by endogenous ACh are largely unclear. This is partly because of the lack of conclusive data on the occurrence and the tissue specificity of ACh in plants. To this end, we performed various analyses including liquid chromatography electro-chemical detection (LC-ECD), liquid chromatography tandem mass spectrometry (LC-MS/MS) analysis. The results, together with electrospray ionization-orbitrap Fourier transform mass spectrometry (ESI-orbitrap FT-MS) analysis provide strong evidence that ACh exists in Arabidopsis thaliana tissues. The results also showed that the level of ACh is highest in seed, followed by root and cotyledon. Moreover, exogenously applied ACh inhibited the elongation of Arabidopsis root hairs. These results collectively indicate that ACh exists primarily in seed and root in Arabidopsis seedlings, and plays a pivotal role during the initial stages of seedling development by controlling root hair elongation in Arabidopsis.
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Affiliation(s)
- Jun Murata
- Division of Integrative Biomolecular Function; Institute for Bioorganic Research; Suntory Foundation for Life Sciences; Kyoto, Japan
| | - Takehiro Watanabe
- Division of Structural Biomolecular Science; Institute for Bioorganic Research; Suntory Foundation for Life Sciences; Kyoto, Japan
| | - Kohtaro Sugahara
- Division of Structural Biomolecular Science; Institute for Bioorganic Research; Suntory Foundation for Life Sciences; Kyoto, Japan
| | - Tohru Yamagaki
- Division of Structural Biomolecular Science; Institute for Bioorganic Research; Suntory Foundation for Life Sciences; Kyoto, Japan
| | - Toshio Takahashi
- Division of Integrative Biomolecular Function; Institute for Bioorganic Research; Suntory Foundation for Life Sciences; Kyoto, Japan
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Chepyshko H, Lai CP, Huang LM, Liu JH, Shaw JF. Multifunctionality and diversity of GDSL esterase/lipase gene family in rice (Oryza sativa L. japonica) genome: new insights from bioinformatics analysis. BMC Genomics 2012; 13:309. [PMID: 22793791 PMCID: PMC3412167 DOI: 10.1186/1471-2164-13-309] [Citation(s) in RCA: 116] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2011] [Accepted: 07/15/2012] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND GDSL esterases/lipases are a newly discovered subclass of lipolytic enzymes that are very important and attractive research subjects because of their multifunctional properties, such as broad substrate specificity and regiospecificity. Compared with the current knowledge regarding these enzymes in bacteria, our understanding of the plant GDSL enzymes is very limited, although the GDSL gene family in plant species include numerous members in many fully sequenced plant genomes. Only two genes from a large rice GDSL esterase/lipase gene family were previously characterised, and the majority of the members remain unknown. In the present study, we describe the rice OsGELP (Oryza sativa GDSL esterase/lipase protein) gene family at the genomic and proteomic levels, and use this knowledge to provide insights into the multifunctionality of the rice OsGELP enzymes. RESULTS In this study, an extensive bioinformatics analysis identified 114 genes in the rice OsGELP gene family. A complete overview of this family in rice is presented, including the chromosome locations, gene structures, phylogeny, and protein motifs. Among the OsGELPs and the plant GDSL esterase/lipase proteins of known functions, 41 motifs were found that represent the core secondary structure elements or appear specifically in different phylogenetic subclades. The specification and distribution of identified putative conserved clade-common and -specific peptide motifs, and their location on the predicted protein three dimensional structure may possibly signify their functional roles. Potentially important regions for substrate specificity are highlighted, in accordance with protein three-dimensional model and location of the phylogenetic specific conserved motifs. The differential expression of some representative genes were confirmed by quantitative real-time PCR. The phylogenetic analysis, together with protein motif architectures, and the expression profiling were analysed to predict the possible biological functions of the rice OsGELP genes. CONCLUSIONS Our current genomic analysis, for the first time, presents fundamental information on the organization of the rice OsGELP gene family. With combination of the genomic, phylogenetic, microarray expression, protein motif distribution, and protein structure analyses, we were able to create supported basis for the functional prediction of many members in the rice GDSL esterase/lipase family. The present study provides a platform for the selection of candidate genes for further detailed functional study.
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Affiliation(s)
- Hanna Chepyshko
- Department of Food Science and Biotechnology, National Chung Hsing University, Taichung, Taiwan, 402, ROC
| | - Chia-Ping Lai
- Department of Food and Beverage Management, Far East University, Tainan, Taiwan, 74448, ROC
| | - Li-Ming Huang
- Institute of Biotechnology, National Cheng Kung University, Tainan, Taiwan, 701, ROC
| | - Jyung-Hurng Liu
- Institute of Genomics and Bioinformatics, National Chung Hsing University, Taichung, Taiwan, 40227, ROC
| | - Jei-Fu Shaw
- Department of Food Science and Biotechnology, National Chung Hsing University, Taichung, Taiwan, 402, ROC
- Department of Biological Science and Technology, I-Shou University, Kaohsiung, Taiwan, 84001, ROC
- Agricultural Biotechnology Center, National Chung Hsing University, Taichung, Taiwan, 40227, ROC
- Agricultural Biotechnology Research Center, Academia Sinica, Nankang, Taiwan, 115, ROC
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17
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Yamamoto K, Momonoki YS. Tissue localization of maize acetylcholinesterase associated with heat tolerance in plants. PLANT SIGNALING & BEHAVIOR 2012; 7:301-5. [PMID: 22476469 PMCID: PMC3443906 DOI: 10.4161/psb.19007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Our recent study reported that maize acetylcholinesterase (AChE) activity in the coleoptile node is enhanced through a post-translational modification response to heat stress and transgenic plants overexpressing maize AChE gene had an elevated heat tolerance, which strongly suggests that maize AChE plays a positive, important role in maize heat tolerance. Here we present (1) maize AChE activity in the mesocotyl also enhances during heat stress and (2) maize AChE mainly localizes in vascular bundles including endodermis and epidermis in coleoptile nodes and mesocotyls of maize seedlings.
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Affiliation(s)
- Kosuke Yamamoto
- Institute of Biochemistry; Christian-Albrechts-University Kiel; Kiel, Germany
| | - Yoshie S. Momonoki
- Faculty of Bioindustry; Tokyo University of Agriculture; Abashiri, Japan
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18
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Yamamoto K, Sakamoto H, Momonoki YS. Maize acetylcholinesterase is a positive regulator of heat tolerance in plants. JOURNAL OF PLANT PHYSIOLOGY 2011; 168:1987-92. [PMID: 21757255 DOI: 10.1016/j.jplph.2011.06.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2011] [Revised: 05/02/2011] [Accepted: 06/08/2011] [Indexed: 05/29/2023]
Abstract
We previously reported that native tropical zone plants showed high acetylcholinesterase (AChE) activity during heat stress, and that AChE activity in endodermal cells of maize seedlings was increased by heat treatment. However, the physiological role of AChE in heat stressed plants is still unclear. Here we report (1) tissue-specific expression and subcellular localization of maize AChE, (2) elevation of AChE activity and possible post-translational modifications of this enzyme under heat stress, and (3) involvement of AChE in plant heat stress tolerance. Maize AChE was mainly expressed in coleoptile nodes and seeds. Maize AChE fused with green fluorescent protein (GFP) was localized in extracellular spaces of transgenic rice plants. Therefore, in maize coleoptile nodes and seeds AChE mainly functions in the cell wall matrix. After heat treatment, enhanced maize AChE activity was observed by in vitro activity measurement and by in situ cytochemical staining; transcript and protein levels, however, were not changed. Protein gel blot analysis revealed two AChE isoforms (upper and lower); the upper-form gradually disappeared after heat treatment. Thus, maize AChE activity might be enhanced through a post-translational modification response to heat stress. Finally, we found that overexpression of maize AChE in transgenic tobacco plants enhanced heat tolerance relative to that of non-transgenic plants, suggesting AChE plays a positive role in maize heat tolerance.
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Affiliation(s)
- Kosuke Yamamoto
- Faculty of Bioindustry, Tokyo University of Agriculture, 196 Yasaka, Abashiri, Hokkaido 099-2493, Japan.
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