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Harris TD, Reinl KL, Azarderakhsh M, Berger SA, Berman MC, Bizic M, Bhattacharya R, Burnet SH, Cianci-Gaskill JA, Domis LNDS, Elfferich I, Ger KA, Grossart HPF, Ibelings BW, Ionescu D, Kouhanestani ZM, Mauch J, McElarney YR, Nava V, North RL, Ogashawara I, Paule-Mercado MCA, Soria-Píriz S, Sun X, Trout-Haney JV, Weyhenmeyer GA, Yokota K, Zhan Q. What makes a cyanobacterial bloom disappear? A review of the abiotic and biotic cyanobacterial bloom loss factors. HARMFUL ALGAE 2024; 133:102599. [PMID: 38485445 DOI: 10.1016/j.hal.2024.102599] [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: 11/10/2023] [Revised: 01/31/2024] [Accepted: 02/05/2024] [Indexed: 03/19/2024]
Abstract
Cyanobacterial blooms present substantial challenges to managers and threaten ecological and public health. Although the majority of cyanobacterial bloom research and management focuses on factors that control bloom initiation, duration, toxicity, and geographical extent, relatively little research focuses on the role of loss processes in blooms and how these processes are regulated. Here, we define a loss process in terms of population dynamics as any process that removes cells from a population, thereby decelerating or reducing the development and extent of blooms. We review abiotic (e.g., hydraulic flushing and oxidative stress/UV light) and biotic factors (e.g., allelopathic compounds, infections, grazing, and resting cells/programmed cell death) known to govern bloom loss. We found that the dominant loss processes depend on several system specific factors including cyanobacterial genera-specific traits, in situ physicochemical conditions, and the microbial, phytoplankton, and consumer community composition. We also address loss processes in the context of bloom management and discuss perspectives and challenges in predicting how a changing climate may directly and indirectly affect loss processes on blooms. A deeper understanding of bloom loss processes and their underlying mechanisms may help to mitigate the negative consequences of cyanobacterial blooms and improve current management strategies.
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Affiliation(s)
- Ted D Harris
- Kansas Biological Survey and Center for Ecological Research, University of Kansas, 2101 Constant Ave., Lawrence, KS, 66047
| | - Kaitlin L Reinl
- Lake Superior National Estuarine Research Reserve, University of Wisconsin - Madison Division of Extension, 14 Marina Dr, Superior, WI 54880
| | - Marzi Azarderakhsh
- Department of Construction and Civil Engineering, New York City College of Technology, 300 Jay Street, New York, NY 11201
| | - Stella A Berger
- Department of Plankton and Microbial Ecology, Leibniz Institute of Freshwater Ecology and Inland Fisheries, Zur alten Fischerhütte 2, 16775 Stechlin, Germany
| | - Manuel Castro Berman
- Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY 12180 and Darrin Freshwater Institute, Rensselaer Polytechnic Institute, Bolton Landing, NY, 12814
| | - Mina Bizic
- Department of Plankton and Microbial Ecology, Leibniz Institute of Freshwater Ecology and Inland Fisheries, Zur alten Fischerhütte 2, 16775 Stechlin, Germany
| | - Ruchi Bhattacharya
- Department of Biological, Geological & Environmental Sciences, Cleveland State University, Cleveland, OH 44115
| | - Sarah H Burnet
- University of Idaho, Fish and Wildlife Sciences, Moscow, ID, USA, 83844
| | - Jacob A Cianci-Gaskill
- Old Woman Creek National Estuarine Research Reserve, Ohio Department of Natural Resources, 2514 Cleveland Rd East, Huron, OH 44839
| | - Lisette N de Senerpont Domis
- Department of Aquatic Ecology, Netherlands Institute of Ecology (NIOO-KNAW), P.O. Box 50, 6708 PB Wageningen, The Netherlands; Department of Water Resources and Pervasive Systems Group, faculty of EEMCS and ITC, University of Twente, The Netherlands
| | - Inge Elfferich
- Cardiff University, Earth and Environmental Sciences, Main Building, Park Place CF10 3AT, Cardiff, UK
| | - K Ali Ger
- Department of Ecology, Center for Biosciences, Universidade Federal do Rio Grande do Norte, R. das Biociencias, Lagoa Nova, Natal, RN, 59078-970, Brazil
| | - Hans-Peter F Grossart
- Department of Plankton and Microbial Ecology, Leibniz Institute of Freshwater Ecology and Inland Fisheries, Zur alten Fischerhütte 2, 16775 Stechlin, Germany; Potsdam University, Institute of Biochemistry and Biology, Maulbeeralle 2, 14469 Potsdam, Germany
| | - Bas W Ibelings
- Department F.-A. Forel for Environmental and Aquatic Sciences, University of Geneva, 66 Blvd Carl Vogt, 1205, Geneva, Switzerland
| | - Danny Ionescu
- Department of Plankton and Microbial Ecology, Leibniz Institute of Freshwater Ecology and Inland Fisheries, Zur alten Fischerhütte 2, 16775 Stechlin, Germany
| | - Zohreh Mazaheri Kouhanestani
- School of Natural Resources, University of Missouri-Columbia, Anheuser-Busch Natural Resources Building, Columbia, MO, 65211-7220
| | - Jonas Mauch
- Department of Community and Ecosystem Ecology, Leibniz Institute of Freshwater Ecology and Inland Fisheries, Müggelseedamm 301, 12587 Berlin, Germany
| | - Yvonne R McElarney
- Fisheries and Aquatic Ecosystems, Agri-Food and Biosciences Institute, Belfast, Northern Ireland
| | - Veronica Nava
- Department of Earth and Environmental Sciences, University of Milano-Bicocca, Piazza della Scienza 1, 20126 Milano, MI, Italy.
| | - Rebecca L North
- School of Natural Resources, University of Missouri-Columbia, Anheuser-Busch Natural Resources Building, Columbia, MO, 65211-7220
| | - Igor Ogashawara
- Department of Plankton and Microbial Ecology, Leibniz Institute of Freshwater Ecology and Inland Fisheries, Zur alten Fischerhütte 2, 16775 Stechlin, Germany
| | - Ma Cristina A Paule-Mercado
- Institute of Hydrobiology, Biology Centre of the Czech Academy of Sciences, Na Sádkách 7, České Budějovice 370 05, Czech Republic
| | - Sara Soria-Píriz
- Département des sciences biologiques, Université du Québec à Montréal, 141 Av. du Président-Kennedy, Montréal, QC H2 × 1Y4, Montréal, QC, Canada
| | - Xinyu Sun
- Department of Fisheries and Wildlife, Michigan State University, East Lansing, MI 48824, USA
| | | | - Gesa A Weyhenmeyer
- Department of Ecology and Genetics/Limnology, Uppsala University, Norbyvägen 18D, 75236 Uppsala, Sweden
| | - Kiyoko Yokota
- Biology Department, State University of New York at Oneonta, Oneonta, NY 13820, USA
| | - Qing Zhan
- Department of Aquatic Ecology, Netherlands Institute of Ecology (NIOO-KNAW), P.O. Box 50, 6708 PB Wageningen, The Netherlands
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Huang T, Lai M, Lin Z, Luo R, Xiang X, Xu H, Pan N, Zuo Z. Identification of algicidal monoterpenoids from four chemotypes of Cinnamomum camphora and their algicidal mechanisms on Microcystis aeruginosa. ENVIRONMENTAL RESEARCH 2024; 241:117714. [PMID: 37989462 DOI: 10.1016/j.envres.2023.117714] [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: 09/04/2023] [Revised: 10/27/2023] [Accepted: 11/15/2023] [Indexed: 11/23/2023]
Abstract
Cyanobacterial blooms cause serious environmental issues, and plant secondary metabolites are considered as new algaecide for controlling them. Cinnamomum camphora produces a wide spectrum of terpenoids and has 4 main chemotypes, including linalool, camphor, eucalyptol and borneol chemotype. To develop the new cyanobacterial algaecide by using suitable chemotype of Cinnamomum camphora and the main terpenoids, we analyzed the terpenoid composition in the 4 chemotype extracts, evaluated the algicidal effects of the extracts and their typical monoterpenoids on Microcystis aeruginosa, and investigated the algicidal mechanism of the stronger algicidal agents. Among the 4 chemotypes, eucalyptol and borneol chemotype extracts exhibited stronger algicidal effects. In the 4 chemotype extracts, monoterpenoids were the main compounds, of which linalool, camphor, eucalyptol and borneol were the typical components. Among the 4 typical monoterpenoids, eucalyptol and borneol showed stronger algicidal effects, which killed 78.8% and 100% M. aeruginosa cells, respectively, at 1.2 mM after 48 h. In 1.2 mM eucalyptol and borneol treatments, the reactive oxygen species levels markedly increased, and the caspase-3-like activity also raised. With prolonging the treatment time, M. aeruginosa cells gradually shrank and wrinkled, and the cell TUNEL fluorescence intensity and DNA degradation gradually enhanced, indicating that the lethal mechanism is causing apoptosis-like programmed cell death (PCD). Therefore, eucalyptol and borneol chemotype extracts and their typical monoterpenoids have the potential for developing as algaecides to control cyanobacteria through triggering apoptosis-like PCD.
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Affiliation(s)
- Tianyu Huang
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, 311300, China; Zhejiang Provincial Key Laboratory of Forest Aromatic Plants-based Healthcare Functions, Zhejiang A&F University, Hangzhou, 311300, China
| | - Meng Lai
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, 311300, China; Zhejiang Provincial Key Laboratory of Forest Aromatic Plants-based Healthcare Functions, Zhejiang A&F University, Hangzhou, 311300, China
| | - Zhenwei Lin
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, 311300, China; Zhejiang Provincial Key Laboratory of Forest Aromatic Plants-based Healthcare Functions, Zhejiang A&F University, Hangzhou, 311300, China
| | - Ruiqi Luo
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, 311300, China; Zhejiang Provincial Key Laboratory of Forest Aromatic Plants-based Healthcare Functions, Zhejiang A&F University, Hangzhou, 311300, China
| | - Xuezheng Xiang
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, 311300, China; Zhejiang Provincial Key Laboratory of Forest Aromatic Plants-based Healthcare Functions, Zhejiang A&F University, Hangzhou, 311300, China
| | - Haozhe Xu
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, 311300, China; Zhejiang Provincial Key Laboratory of Forest Aromatic Plants-based Healthcare Functions, Zhejiang A&F University, Hangzhou, 311300, China
| | - Ning Pan
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, 311300, China; Zhejiang Provincial Key Laboratory of Forest Aromatic Plants-based Healthcare Functions, Zhejiang A&F University, Hangzhou, 311300, China
| | - Zhaojiang Zuo
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, 311300, China; Zhejiang Provincial Key Laboratory of Forest Aromatic Plants-based Healthcare Functions, Zhejiang A&F University, Hangzhou, 311300, China.
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Lu Y, Jiang X, Xu H, Liu C, Song Y, Pan K, Wang L, Du L, Liu H. Effects of 4-tert-butylpyrocatechol and tea polyphenol on growth, physiology and antioxidant responses in Microcystis aeruginosa. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2023; 260:106541. [PMID: 37172458 DOI: 10.1016/j.aquatox.2023.106541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 04/10/2023] [Accepted: 04/12/2023] [Indexed: 05/15/2023]
Abstract
Global warming has increased the frequency of Microcystis aeruginosa blooms, leading to the deterioration of water quality and loss of biodiversity. Therefore, developing effective strategies for controlling M. aeruginosa blooms has become an important research topic. Plant extracts, 4‑tert-butylpyrocatechol (TBC) and tea polyphenol (TP) are commonly used for water purification and to increase fish immunity, which have great potential to inhibit cyanobacterial blooms. The inhibitory effects of TBC and TP on M. aeruginosa were investigated in terms of growth characteristics, cell membrane morphology, physiological, photosynthetic activities, and antioxidant enzymes activities. The results showed that TBC and TP inhibited the growth of M. aeruginosa by decreasing the chlorophyll fluorescence transients or increasing the antioxidant enzymes activities of M. aeruginosa. TBC damaged the cell morphology of M. aeruginosa, reduced extracellular polysaccharides and protein contents, and up-regulated the antioxidant activity-related gene (sod and gsh) expressions of M. aeruginosa. TP significantly decreased the photosynthetic pigment content, influenced the phycobiliprotein content, and strongly down-regulated the photosynthesis-related gene (psbA, psaB, and rbcL) relative expressions of M. aeruginosa. TBC caused significant oxidative stress, dysfunction of physiological metabolic processes, and damaged crucial biomacromolecules (e.g., lipids, proteins and polysaccharides), prompted the loss of cell integrity, ultimately leading to the death of M. aeruginosa. However, TP depressed photosynthetic activities and consequently inhibited the transfer of electrons, affected the electron transfer chain, decreased the photosynthetic efficiency, and eventually caused the death of M. aeruginosa cells. Our study showed the inhibitory effects and algicidal mechanisms of TBC and TP on M. aeruginosa, and provide a theoretical basis for restrain the overgrowth of M. aeruginosa.
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Affiliation(s)
- Yitong Lu
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Xinxin Jiang
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Hongzhou Xu
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Chengrong Liu
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Yanzhen Song
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Kuiquan Pan
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Lixin Wang
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Liang Du
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Haixia Liu
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China.
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Burford MA, Franklin H, Faggotter SJ, Chuang A, Hayton JB, Carroll AR. Effects of terrestrial dissolved organic matter on a bloom of the toxic cyanobacteria, Raphidiopsis raciborskii. HARMFUL ALGAE 2022; 117:102269. [PMID: 35944957 DOI: 10.1016/j.hal.2022.102269] [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: 02/24/2022] [Revised: 05/29/2022] [Accepted: 05/31/2022] [Indexed: 06/15/2023]
Abstract
The concentration of coloured terrestrial dissolved organic matter (tDOM) from vegetation appears to be increasing in lakes in some regions of the world, leading to the term brownification. The light attenuating effect of coloured tDOM on phytoplankton growth has been a major focus of attention, but the phytotoxic effects of tDOM, particularly on cyanobacterial blooms, are less well understood. This mesocosm study tested whether coloured tDOM, leached from the leaves of a Eucalyptus tree species, inhibited a naturally occurring bloom of the toxic cyanobacterium, Raphidiopsis raciborskii, in a reservoir over a 10 day period. The study found that tDOM leachate, measured as dissolved organic carbon (DOC), inhibited photosynthesis and growth of both R. raciborskii, as well as species present at lower densities, i.e. other cyanobacteria and diatoms. However, the effect was greater at higher tDOM input loads. The photosynthetic yield (Fv/Fm) of cyanobacteria decreased rapidly in treatments with 5.9 and 25 mg L-1 DOC addition, compared to the control (reservoir water with background DOC concentration of 6.85 ± 1.09 mg L-1). tDOM had no measurable effect in the 2 and 3.3 mg L-1 DOC addition treatments. By day 5, cell densities of cyanobacteria, including R. raciborskii, and diatoms, in treatments with 5.9 and 25 mg L-1 DOC addition were significantly lower than the control with no tDOM addition, and this effect continued throughout the experiment. This is despite the leachate addition increasing phosphate concentrations which counteracted the low background concentrations of phosphate. Light attenuation and dissolved oxygen (DO) levels were also affected by the tDOM addition, but were only significantly lower in the 25 mg L-1 DOC treatment compared with the control. DOC, dissolved organic nitrogen (DON) and dissolved organic phosphorus (DOP) concentrations all decreased in the tDOM addition treatments over the first 3 days, as the microbial cell densities increased. The components of the tDOM that decreased over time were determined by 1H NMR spectroscopy in the 25 mg L-1 DOC treatment. After 5 d, the relative concentrations of fatty acids, sugars and gallic acid decreased by around 60%, while concentrations of flavonoids and myo-inositol decreased by 45 and 35% respectively. This study suggests that phytotoxic compounds in tDOM can suppress cyanobacterial blooms, despite the increased nutrient inputs. This has implications for predicting the future likelihood of cyanobacterial blooms in lakes and reservoirs with climate-change driven changes in flow events, and other changes in the amount and types of vegetation cover. Revegetation of riparian zones, resulting in increased tDOM into waterways, may also be beneficial in reducing cyanobacterial blooms.
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Affiliation(s)
- M A Burford
- Australian Rivers Institute, Griffith University, Nathan, Queensland, Australia; School of Environment and Science, Griffith University, Nathan, Queensland, Australia..
| | - H Franklin
- Australian Rivers Institute, Griffith University, Nathan, Queensland, Australia
| | - S J Faggotter
- School of Environment and Science, Griffith University, Nathan, Queensland, Australia
| | - A Chuang
- Australian Rivers Institute, Griffith University, Nathan, Queensland, Australia
| | - J B Hayton
- School of Environment and Science, Griffith University, Nathan, Queensland, Australia
| | - A R Carroll
- School of Environment and Science, Griffith University, Nathan, Queensland, Australia.; Griffith Institute for Drug Discovery, Griffith University, Nathan, Queensland, Australia
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Shahid A, Siddiqui AJ, Musharraf SG, Liu CG, Malik S, Syafiuddin A, Boopathy R, Tarbiah NI, Gull M, Mehmood MA. Untargeted metabolomics of the alkaliphilic cyanobacterium Plectonema terebrans elucidated novel stress-responsive metabolic modulations. J Proteomics 2022; 252:104447. [PMID: 34890867 DOI: 10.1016/j.jprot.2021.104447] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 11/20/2021] [Accepted: 11/25/2021] [Indexed: 02/06/2023]
Abstract
Alkaliphilic cyanobacteria are suitable candidates to study the effect of alkaline wastewater cultivation on molecular metabolic responses. In the present study, the impact of wastewater, alkalinity, and alkaline wastewater cultivation was studied on the biomass production, biochemical composition, and the alkalinity responsive molecular mechanism through metabolomics. The results suggested a 1.29 to 1.44-fold higher biomass production along with improved lipid, carbohydrate, and pigment production under alkaline wastewater cultivation. The metabolomics analysis showed 1.2-fold and 5.54-fold increase in the indole-acetic acid and phytoene biosynthesis which contributed to overall enhanced cell differentiation and photo-protectiveness. Furthermore, lower levels of Ribulose-1,5-bisphosphate (RuBP), and higher levels of 2-phosphoglycerate and 3-phosphoglycerate suggested the efficient fixation of CO2 into biomass, and storage compounds including polysaccharides, lipids, and sterols. Interestingly, except L-histidine and L-phenylalanine, all the metabolites related to protein biosynthesis were downregulated in response to wastewater and alkaline wastewater cultivation. The cells protected themselves from alkalinity and nutrient stress by improving the biosynthesis of sterols, non-toxic antioxidants, and osmo-protectants. Alkaline wastewater cultivation regulated the activation of carbon concentration mechanism (CCM), glycolysis, fatty-acid biosynthesis, and shikimate pathway. The data revealed the importance of alkaline wastewater cultivation for improved CO2 fixation, wastewater treatment, and producing valuable bioproducts including phytoene, Lyso PC 18:0, and sterols. These metabolic pathways could be future targets of metabolic engineering for improving biomass and metabolite production. SIGNIFICANCE: Alkalinity is an imperative factor, responsible for the contamination control and biochemical regulation in cyanobactera, especially during the wastewater cultivation. Currently, understanding of alkaline wastewater responsive molecular mechanism is lacking and most of the studies are focused on transcriptomics of model organisms for this purpose. In this study, untargeted metabolomics was employed to analyze the impact of wastewater and alkaline wastewater on the growth, CO2 assimilation, nutrient uptake, and associated metabolic modulations of the alkaliphilic cyanobacterium Plectonema terebrans BERC10. Results unveiled that alkaline wastewater cultivation regulated the activation of carbon concentration mechanism (CCM), glycolysis, fatty-acid biosynthesis, and shikimate pathway. It indicated the feasibility of alkaline wastewater as promising low-cost media for cyanobacterium cultivation. The identified stress-responsive pathways could be future genetic targets for strain improvement.
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Affiliation(s)
- Ayesha Shahid
- Department of Bioinformatics and Biotechnology, Government College University Faisalabad, Faisalabad 38000, Pakistan
| | - Amna Jabbar Siddiqui
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
| | - Syed Ghulam Musharraf
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
| | - Chen-Guang Liu
- State Key Laboratory of Microbial Metabolism, Joint International Research Laboratory of Metabolic & Developmental Sciences, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China.
| | - Sana Malik
- Department of Bioinformatics and Biotechnology, Government College University Faisalabad, Faisalabad 38000, Pakistan
| | - Achmad Syafiuddin
- Department of Public Health, Universitas Nahdlatul Ulama Surabaya, 60237 Surabaya, East Java, Indonesia
| | - Raj Boopathy
- Department of Biological Sciences, Nicholls State University, Thibodaux, LA 70310, USA
| | | | - Munazza Gull
- Biochemistry Department, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Muhammad Aamer Mehmood
- School of Bioengineering, Sichuan University of Science and Engineering, Zigong, China; Department of Bioinformatics and Biotechnology, Government College University Faisalabad, Faisalabad 38000, Pakistan.
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