IF 2.6 4区生物学

3 Biotech Pub Date : 2024-12-01 Epub Date: 2024-11-09 DOI: 10.1007/s13205-024-04142-z

Kelly Lima de Oliveira, José Lucas da Silva Oliveira, Egídia Andrade Moraes, Kelma Maria Dos Santos Pires Cavalcante, Mona Lisa Moura de Oliveira, Carlúcio Roberto Alves

{"title":"Cultivation of microalgae Chlorella vulgaris, Monoraphidium sp and Scenedesmus obliquus in wastewater from the household appliance industry for bioremediation and biofuel production.","authors":"Kelly Lima de Oliveira, José Lucas da Silva Oliveira, Egídia Andrade Moraes, Kelma Maria Dos Santos Pires Cavalcante, Mona Lisa Moura de Oliveira, Carlúcio Roberto Alves","doi":"10.1007/s13205-024-04142-z","DOIUrl":"https://doi.org/10.1007/s13205-024-04142-z","url":null,"abstract":"Microalgae Chlorella vulgaris, Scenedesmus obliquus, and Monoraphidium sp were cultivated in effluent from the household appliance industry as an alternative medium for bioremediation due to the high variability of chemical and biological substances in wastewater. The experiments were carried out using biological effluent (BE), chemical effluent (CE), and a combination of the two (MIX). The results showed a maximum biomass yield of 1056 mg/L (± 0.216) in the BE cultivation of the microalga Scenedesmus obliquus, 969 mg/L (± 0.20) in the BE of the microalga Monoraphidium sp. and 468 mg/L (± 0.46) in the CE of Chlorella vulgaris. In addition, they showed <math><mrow><mi>N</mi> <msubsup><mi>O</mi> <mrow><mn>3</mn></mrow> <mo>-</mo></msubsup> </mrow> </math> removal (100%) in the CE and MIX for cultivation with Chlorella vulgaris and 100% BE and 75% MIX with Monoraphidium sp. For the <math><mrow><mi>P</mi> <msubsup><mi>O</mi> <mrow><mn>3</mn></mrow> <mrow><mn>4</mn> <mo>-</mo></mrow> </msubsup> </mrow> </math> (75.3%, 99% e 97.9%) in the cultures with C. vulgaris BE, CE, and MIX respectively, with Monoraphidium sp. 58% in BE and 42% in CE and MIX. With S. obliquus, 100% removal was observed in all 3 treatments. Metal removal was also observed. The C. vulgaris culture showed lipid contents of 16%, 12%, and 17% for BE, CE, and MIX, respectively. For Monoraphidium sp., 14.5% for BE, 16% for CE, and 14% for MIX. In the culture of S. obliquus, 17%, 15.5%, and 16.5% for BE, CE, and MIX, respectively.","PeriodicalId":7067,"journal":{"name":"3 Biotech","volume":"14 12","pages":"294"},"PeriodicalIF":2.6,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11550306/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142611906","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Correction. 更正。

IF 6.5 3区工程技术

Biotechnology & Genetic Engineering Reviews Pub Date : 2024-12-01 Epub Date: 2023-02-02 DOI: 10.1080/02648725.2022.2126162

引用次数: 0

The influence of interventional measures on metabolic factors in fluoride and aluminum combined poisoning bones. 干预措施对氟铝联合中毒骨骼代谢因素的影响。

IF 6.5 3区工程技术

Biotechnology & Genetic Engineering Reviews Pub Date : 2024-12-01 Epub Date: 2023-05-02 DOI: 10.1080/02648725.2023.2207925

Lihua Wang, Xianghui Qin, Maojuan Yu

{"title":"The influence of interventional measures on metabolic factors in fluoride and aluminum combined poisoning bones.","authors":"Lihua Wang, Xianghui Qin, Maojuan Yu","doi":"10.1080/02648725.2023.2207925","DOIUrl":"10.1080/02648725.2023.2207925","url":null,"abstract":"This study aimed to evaluate the effects of soybean, selenium and spirulina on bone metabolic factors in rats with combined fluoride and aluminum poisoning.Methods:Sixty SD rats were allocated to five groups: A control group, a high-fluoride aluminum group, a high-fluoride aluminum plus soybean group, a high-fluoride aluminum plus selenium group, and a high-fluoride aluminum plus spirulina group. Serum samples were collected and radioimmunoassay (RIA) was used to measure osteocalcin (BGP), calcitonin (CT), parathyroid hormone (PHT) and insulin growth factor I (IGF-1) levels after 90 and 165 days of intervention. 1. When comparing the serum BGP level in the high-fluorine aluminum plus selenium group with the high-fluorine aluminum group, suggesting that the addition of selenium intervention was beneficial in reducing the effect of high-fluorine aluminum on bone homeostasis. 2. After 90 days and 165 days, the difference in serum CT levels between the intervention group and the control group was not statistically significant, suggesting an effect of the intervention factors.3. After 90 days of exposure, the three intervention groups had lower serum PTH levels (p < 0.00), inferring the efficacy of the interventions.4. After 90 days, serum IGF-1 levels were elevated in the Spirulina group compared with the high-fluorinated aluminum group, and the difference was statistically significant, suggesting that the addition of Spirulina intervention may counteract the inhibition of bone growth by high-fluorinated aluminum. The intervention of soybean, selenium, and spirulina can counterbalance the effects of fluoride and aluminum on bone metabolism and slow down the process of bone turnover.","PeriodicalId":55355,"journal":{"name":"Biotechnology & Genetic Engineering Reviews","volume":" ","pages":"4169-4180"},"PeriodicalIF":6.5,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9768965","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Correlation between coefficient of variation of blood pressure and cognitive dysfunction in patients with hypertension complicated by cerebral small vessel disease. 高血压并发脑小血管疾病患者血压变异系数与认知功能障碍之间的相关性。

IF 6.5 3区工程技术

Biotechnology & Genetic Engineering Reviews Pub Date : 2024-12-01 Epub Date: 2023-05-02 DOI: 10.1080/02648725.2023.2204605

Xia Liu, Xuelian Zhang, Xuefen Qian, LuHang Shi, Qiaoling Liu

{"title":"Correlation between coefficient of variation of blood pressure and cognitive dysfunction in patients with hypertension complicated by cerebral small vessel disease.","authors":"Xia Liu, Xuelian Zhang, Xuefen Qian, LuHang Shi, Qiaoling Liu","doi":"10.1080/02648725.2023.2204605","DOIUrl":"10.1080/02648725.2023.2204605","url":null,"abstract":"To investigate the correlation between the coefficient of variation of blood pressure and cognitive dysfunction in patients with hypertension complicated by cerebral small vessel disease. 415 patients with hypertension complicated by cerebral small vessel disease who received treatment in our hospital from January 2019 to June 2022 were retrospectively included in this study. These patients were divided into a cognitive dysfunction group (n = 74) and a non-cognitive dysfunction group (n = 341) according to whether they had cognitive dysfunction. Blood pressure and general data were recorded for each patient. The logistic regression coefficient was used to analyze the correlation between coefficient of variation of blood pressure and cognitive dysfunction in patients with hypertension complicated by cerebral small vessel disease. Multivariate logistic regression analysis showed that age, the weighted standard deviation of 24-hour systolic blood pressure (24hSBP-wSD), cholesterol level, and triglyceride level were risk factors for cognitive dysfunction in patients with hypertension complicated by cerebral small vessel disease (P < 0.05). The risk for cognitive dysfunction was increased by 3.532-fold in patients aged>65 years, increased by 1.203-fold in patients with a 24hSBP-wSD of 14.9-15.9%, and increased by 3.033-fold in patients with a 24hSBP-wSD>16.0% (P < 0.05). The coefficient of variation of blood pressure is markedly correlated with the risk for cognitive dysfunction; and a higher coefficient of variation of blood pressure leads to a higher risk for cognitive dysfunction in patients with hypertension complicated by cerebral small vessel disease.","PeriodicalId":55355,"journal":{"name":"Biotechnology & Genetic Engineering Reviews","volume":" ","pages":"3874-3883"},"PeriodicalIF":6.5,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9768973","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The clinicopathological significance and potential function of ULK1 in colon cancer. ULK1 在结肠癌中的临床病理意义和潜在功能。

IF 6.5 3区工程技术

Biotechnology & Genetic Engineering Reviews Pub Date : 2024-12-01 Epub Date: 2023-05-16 DOI: 10.1080/02648725.2023.2210952

Peng Lv, Zixi Wu, Lin Lai, Yukun Zhang, Bo Pei

{"title":"The clinicopathological significance and potential function of ULK1 in colon cancer.","authors":"Peng Lv, Zixi Wu, Lin Lai, Yukun Zhang, Bo Pei","doi":"10.1080/02648725.2023.2210952","DOIUrl":"10.1080/02648725.2023.2210952","url":null,"abstract":"Uncoordinated 51-like kinase 1 (ULK1) is an essential part involved in autophagy to maintain cell viability and homeostasis. Herein, the expression levels of ULK1 in colon cancer (CC) were investigated, and its clinicopathological features and potential function were analyzed. Data of ULK1 were obtained from a public database. UCSC XENA RNAseq data were uniformly processed by using the Toil process. STRING was employed for identification of co-expression genes and development of PPI networks whose interaction scores exceeded 0.4. The level of immune cells for tumor infiltration was calculated by means of single-sample GSEA (ssGSEA) on the basis of mRNA data of CC. The ULK1 expression was upregulated compared with both paired and unpaired normal tissues. The mRNA expression of ULK1 was upregulated in CC patients with lymph node metastasis, lymphatic invasion, and pathological stages of 3 and 4. The disease-specific survival (DSS), progression-free interval (PFI), and the overall survival (OS) of patients with upregulated mRNA expression of ULK1 were drastically reduced. Functionally, any changes related to the biological process of ULK1 may be related to macroautophagy, autophagosome organization and autophagosome assembly. As a co-expressed gene (CEG), ATG101 was up-regulated in CC tissues and indicated poor survival. ULK1 is closely related to immune cells. ULK1 expression is upregulated in CC cells and upregulation of ULK1 may serve as an accurate prognostic factor, thereby providing novel intervention targets for therapy.","PeriodicalId":55355,"journal":{"name":"Biotechnology & Genetic Engineering Reviews","volume":" ","pages":"4380-4393"},"PeriodicalIF":6.5,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9823921","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Emergence of infectious diseases and role of advanced nanomaterials in point-of-care diagnostics: a review. 传染病的出现和先进纳米材料在护理点诊断中的作用：综述。

IF 6.5 2区材料科学

ACS Applied Nano Materials Pub Date : 2024-12-01 Epub Date: 2022-10-15 DOI: 10.1080/02648725.2022.2127070

Kalaimani Markandan, Yong Wei Tiong, Revathy Sankaran, Sakthinathan Subramanian, Uma Devi Markandan, Vishal Chaudhary, Arshid Numan, Mohammad Khalid, Rashmi Walvekar

{"title":"Emergence of infectious diseases and role of advanced nanomaterials in point-of-care diagnostics: a review.","authors":"Kalaimani Markandan, Yong Wei Tiong, Revathy Sankaran, Sakthinathan Subramanian, Uma Devi Markandan, Vishal Chaudhary, Arshid Numan, Mohammad Khalid, Rashmi Walvekar","doi":"10.1080/02648725.2022.2127070","DOIUrl":"10.1080/02648725.2022.2127070","url":null,"abstract":"Infectious outbreaks are the foremost global public health concern, challenging the current healthcare system, which claims millions of lives annually. The most crucial way to control an infectious outbreak is by early detection through point-of-care (POC) diagnostics. POC diagnostics are highly advantageous owing to the prompt diagnosis, which is economical, simple and highly efficient with remote access capabilities. In particular, utilization of nanomaterials to architect POC devices has enabled highly integrated and portable (compact) devices with enhanced efficiency. As such, this review will detail the factors influencing the emergence of infectious diseases and methods for fast and accurate detection, thus elucidating the underlying factors of these infections. Furthermore, it comprehensively highlights the importance of different nanomaterials in POCs to detect nucleic acid, whole pathogens, proteins and antibody detection systems. Finally, we summarize findings reported on nanomaterials based on advanced POCs such as lab-on-chip, lab-on-disc-devices, point-of-action and hospital-on-chip. To this end, we discuss the challenges, potential solutions, prospects of integrating internet-of-things, artificial intelligence, 5G communications and data clouding to achieve intelligent POCs.","PeriodicalId":6,"journal":{"name":"ACS Applied Nano Materials","volume":" ","pages":"3438-3526"},"PeriodicalIF":6.5,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"33514978","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Major implications of single nucleotide polymorphisms in human carboxylesterase 1 on substrate bioavailability. 人类羧基酯酶 1 的单核苷酸多态性对底物生物利用率的主要影响。

IF 6.5 2区材料科学

ACS Applied Nano Materials Pub Date : 2024-12-01 Epub Date: 2022-08-10 DOI: 10.1080/02648725.2022.2108997

Goutham Yerrakula, Shyno Abraham, Shiji John, Mehrukh Zeharvi, Samuel Gideon George, V Senthil, Fathi Maiz, Md Habibur Rahman

{"title":"Major implications of single nucleotide polymorphisms in human carboxylesterase 1 on substrate bioavailability.","authors":"Goutham Yerrakula, Shyno Abraham, Shiji John, Mehrukh Zeharvi, Samuel Gideon George, V Senthil, Fathi Maiz, Md Habibur Rahman","doi":"10.1080/02648725.2022.2108997","DOIUrl":"10.1080/02648725.2022.2108997","url":null,"abstract":"The number of studies and reviews conducted for the Carboxylesterase gene is limited in comparison with other enzymes. Carboxylesterase (CES) gene or human carboxylesterases (hCES) is a multigene protein belonging to the α/β-hydrolase family. Over the last decade, two major carboxylesterases (CES1 and CES2), located at 16q13-q22.1 on human chromosome 16 have been extensively studied as important mediators in the metabolism of a wide range of substrates. hCES1 is the most widely expressed enzyme in humans, and it is found in the liver. In this review, details regarding CES1 substrates include both inducers (e.g. Rifampicin) and inhibitors (e.g. Enalapril, Diltiazem, Simvastatin) and different types of hCES1 polymorphisms (nsSNPs) such as rs2244613 and rs71647871. along with their effects on various CES1 substrates were documented. Few instances where the presence of nsSNPs exerted a positive influence on certain substrates which are hydrolyzed via hCES1, such as anti-platelets like Clopidogrel when co-administered with other medications such as angiotensin-converting enzyme (ACE) inhibitors were also recorded. Remdesivir, an ester prodrug is widely used for the treatment of COVID-19, being a CES substrate, it is a potent inhibitor of CES2 and is hydrolyzed via CES1. The details provided in this review could give a clear-cut idea or information that could be used for further studies regarding the safety and efficacy of CES1 substrate.","PeriodicalId":6,"journal":{"name":"ACS Applied Nano Materials","volume":" ","pages":"3174-3192"},"PeriodicalIF":6.5,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40599000","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Antibacterial potential of Euphorbia canariensis against Pseudomonas aeruginosa bacteria causing respiratory tract infections. 加那利大戟对引起呼吸道感染的铜绿假单胞菌的抗菌潜力。

IF 5.8 3区生物学

Artificial Cells, Nanomedicine, and Biotechnology Pub Date : 2024-12-01 Epub Date: 2024-05-02 DOI: 10.1080/21691401.2024.2345891

Badriyah Alotaibi, Engy Elekhnawy, Thanaa A El-Masry, Asmaa Saleh, Manal E Alosaimi, Khalid Nijr Alotaibi, Walaa A Negm

{"title":"Antibacterial potential of Euphorbia canariensis against Pseudomonas aeruginosa bacteria causing respiratory tract infections.","authors":"Badriyah Alotaibi, Engy Elekhnawy, Thanaa A El-Masry, Asmaa Saleh, Manal E Alosaimi, Khalid Nijr Alotaibi, Walaa A Negm","doi":"10.1080/21691401.2024.2345891","DOIUrl":"10.1080/21691401.2024.2345891","url":null,"abstract":"The widespread dissemination of bacterial resistance has led to great attention being paid to finding substitutes for traditionally used antibiotics. Plants are rich in various phytochemicals that could be used as antibacterial therapies. Here, we elucidate the phytochemical profile of Euphorbia canariensis ethanol extract (EMEE) and then elucidate the antibacterial potential of ECEE against Pseudomonas aeruginosa clinical isolates. ECEE showed minimum inhibitory concentrations ranging from 128 to 512 µg/mL. The impact of ECEE on the biofilm-forming ability of the tested isolates was elucidated using crystal violet assay and qRT-PCR to study its effect on the gene expression level. ECEE exhibited antibiofilm potential, which resulted in a downregulation of the expression of the biofilm genes (algD, pelF, and pslD) in 39.13% of the tested isolates. The antibacterial potential of ECEE was studied in vivo using a lung infection model in mice. A remarkable improvement was observed in the ECEE-treated group, as revealed by the histological and immunohistochemical studies. Also, ELISA showed a noticeable decrease in the oxidative stress markers (nitric oxide and malondialdehyde). The gene expression of the proinflammatory marker (interleukin-6) was downregulated, while the anti-inflammatory biomarker was upregulated (interleukin-10). Thus, clinical trials should be performed soon to explore the potential antibacterial activity of ECEE, which could help in our battle against resistant pathogenic bacteria.","PeriodicalId":8736,"journal":{"name":"Artificial Cells, Nanomedicine, and Biotechnology","volume":"52 1","pages":"261-269"},"PeriodicalIF":5.8,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140850388","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Co-metabolic degradation and metabolite detection of hexabromocyclododecane by Shewanella oneidensis MR-1 Shewanella oneidensis MR-1 对六溴环十二烷的共代谢降解和代谢物检测

IF 5 3区生物学

Applied Microbiology and Biotechnology Pub Date : 2024-12-01 DOI: 10.1007/s00253-023-12905-6

Syed Bilal Shah, Yiting Wang, Naveed Anwar, Syed Zaghum Abbas, Khalid Ali Khan, Song-Mei Wang, Muhammad Wajid Ullah

{"title":"Co-metabolic degradation and metabolite detection of hexabromocyclododecane by Shewanella oneidensis MR-1","authors":"Syed Bilal Shah, Yiting Wang, Naveed Anwar, Syed Zaghum Abbas, Khalid Ali Khan, Song-Mei Wang, Muhammad Wajid Ullah","doi":"10.1007/s00253-023-12905-6","DOIUrl":"https://doi.org/10.1007/s00253-023-12905-6","url":null,"abstract":" <h3>Abstract</h3> Hexabromocyclododecane (HBCD) is a widely used brominated flame retardant; however, it is a persistent organic pollutant as well as affects the human thyroid hormones and causes cancer. However, the degradation of HBCD has received little attention from researchers. Due to its bioaccumulative and hazardous properties, an appropriate strategy for its remediation is required. In this study, we investigated the biodegradation of HBCD using Shewanella oneidensis MR-1 under optimized conditions. The Box-Behnken design (BBD) was implemented for the optimization of the physical degradation parameters of HBCD. S. oneidensis MR-1 showed the best degradation performance at a temperature of 30 °C, pH 7, and agitation speed of 115 rpm, with an HBCD concentration of 1125 μg/L in mineral salt medium (MSM). The strain tolerated up to 2000 μg/L HBCD. Gas chromatography-mass spectrometry analysis identified three intermediates, including 2-bromo dodecane, 2,7,10-trimethyldodecane, and 4-methyl-1-decene. The results provide an insightful understanding of the biodegradation of HBCD by S. oneidensis MR-1 under optimized conditions and could pave the way for further eco-friendly applications. <h3>Key points</h3> • HBCD biodegradation by Shewanella oneidensis • Optimization of HBCD biodegradation by the Box-Behnken analysis • Identification of useful metabolites from HBCD degradation ","PeriodicalId":8342,"journal":{"name":"Applied Microbiology and Biotechnology","volume":"6 1","pages":""},"PeriodicalIF":5.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139068011","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Prevalence of Escherichia coli in electrogenic biofilm on activated carbon in microbial fuel cell. 微生物燃料电池中活性炭上电生生物膜中大肠埃希氏菌的流行情况。

IF 5 3区生物学

Applied Microbiology and Biotechnology Pub Date : 2024-12-01 Epub Date: 2024-01-06 DOI: 10.1007/s00253-023-12829-1

Younggun Yoon, Azilah Abd Aziz, In Seop Chang, Bongkyu Kim

{"title":"Prevalence of Escherichia coli in electrogenic biofilm on activated carbon in microbial fuel cell.","authors":"Younggun Yoon, Azilah Abd Aziz, In Seop Chang, Bongkyu Kim","doi":"10.1007/s00253-023-12829-1","DOIUrl":"10.1007/s00253-023-12829-1","url":null,"abstract":"For a better understanding of the distribution of depth-dependent electrochemically active bacteria at in the anode zone, a customized system in a microbial fuel cell (MFC) packed with granular activated carbon (GAC) was developed and subsequently optimized via electrochemical tests. The constructed MFC system was sequentially operated using two types of matrice solutions: artificially controlled compositions (i.e., artificial wastewater, AW) and solutions obtained directly from actual sewage-treating municipal plants (i.e., municipal wastewater, MW). Notably, significant difference(s) of system efficiencies between AW or MW matrices were observed via performance tests, in that the electricity production capacity under MW matrices is < 25% that of the AW matrices. Interestingly, species of Escherichia coli (E. coli) sampled from the GAC bed (P1: deeper region in GAC bed, P2: shallow region of GAC near electrolytes) exhibited an average relative abundance of 75 to 90% in AW and a relative abundance of approximately 10% in MW, while a lower relative abundance of E. coli was found in both the AW and MW anolyte samples (L). Moreover, similar bacterial communities were identified in samples P1 and P2 for both the AW and MW solutions, indicating a comparable distribution of bacterial communities over the anode area. These results provide new insights into E. coli contribution in power production for the GAC-packed MFC systems (i.e., despite the low contents of Geobacter (> 8%) and Shewanella (> 1%)) for future applications in sustainable energy research. KEY POINTS: • A microbial community analysis for depth-dependence in biofilm was developed. • The system was operated with two matrices; electrochemical performance was assessed. • E. coli spp. was distinctly found in anode zone layers composed of activated carbon.","PeriodicalId":8342,"journal":{"name":"Applied Microbiology and Biotechnology","volume":"108 1","pages":"52"},"PeriodicalIF":5.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139110719","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

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