M. Abo-State, Farida M. S. E. El-Dars, Bahaaeldin A. Abdin
An indigenous bacterial isolate MAM-P39 was isolated from petroleum polluted soil by selective enrichment with pyrene as the sole source of carbon and energy. During growth on pyrene, the bacterial cell density was monitored by measuring the O.D600. Extracellular protein and bacterial count were determined. The degradation percentage of pyrene was quantified by high-performance liquid chromatography (HPLC).The isolate MAM-P39, which has been identified by 16S rDNA, was the best pyrene degrader. This isolate was identified as Pseudomonas panipatensis MAM-P39 with accession number MF150314. It could degrade 90.5% and 66.03% of 500 and 2000 μM pyrene. Degradation products of pyrene were identified by gas chromatography-mass spectrometry (GC-MS) analysis.
{"title":"Isolation and Identification of Pyrene Degrading Bacteria and its Pathway from Suez Oil Processing Company, Suez, Egypt.","authors":"M. Abo-State, Farida M. S. E. El-Dars, Bahaaeldin A. Abdin","doi":"10.18576/JEHE/060202","DOIUrl":"https://doi.org/10.18576/JEHE/060202","url":null,"abstract":"An indigenous bacterial isolate MAM-P39 was isolated from petroleum polluted soil by selective enrichment with pyrene as the sole source of carbon and energy. During growth on pyrene, the bacterial cell density was monitored by measuring the O.D600. Extracellular protein and bacterial count were determined. The degradation percentage of pyrene was quantified by high-performance liquid chromatography (HPLC).The isolate MAM-P39, which has been identified by 16S rDNA, was the best pyrene degrader. This isolate was identified as Pseudomonas panipatensis MAM-P39 with accession number MF150314. It could degrade 90.5% and 66.03% of 500 and 2000 μM pyrene. Degradation products of pyrene were identified by gas chromatography-mass spectrometry (GC-MS) analysis.","PeriodicalId":106668,"journal":{"name":"Journal of Ecology and Health","volume":"117 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131520536","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
G. Abou-elela, H. Abd-Elnaby, U. M. Abdel-Raouf, Moaz M. Hamed
{"title":"Distribution of Actionmycetes in Suez Gulf (Egypt) and Optimization of the Nanoparticles Production of Some Isolates","authors":"G. Abou-elela, H. Abd-Elnaby, U. M. Abdel-Raouf, Moaz M. Hamed","doi":"10.18576/JEHE/060203","DOIUrl":"https://doi.org/10.18576/JEHE/060203","url":null,"abstract":"","PeriodicalId":106668,"journal":{"name":"Journal of Ecology and Health","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130790267","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Monitoring of the Hydrochemistry of the Iskanderkul Lake of the Republic of Tajikistan and the Flowing Rivers","authors":"P. Normatov, Robiya I. Normatova","doi":"10.18576/JEHE/060201","DOIUrl":"https://doi.org/10.18576/JEHE/060201","url":null,"abstract":"","PeriodicalId":106668,"journal":{"name":"Journal of Ecology and Health","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133792060","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Preliminary Survey of Wetland in Ethiopia, Threats, Extent of Degradation, and Future Perspective:-A Review Paper","authors":"Dagne Tafa","doi":"10.18576/JEHE/060204","DOIUrl":"https://doi.org/10.18576/JEHE/060204","url":null,"abstract":"","PeriodicalId":106668,"journal":{"name":"Journal of Ecology and Health","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114383765","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A. Hassane, A. El-Shanawany, N. Abo-Dahab, A. Abdel-Hadi, U. Abdul-Raouf, M. Mwanza
Experimental short time population and production of aflatoxin B1 by Aspergillus flavus in wheat flour at 20, 25, 30, 35 and 40oC, as related to different moisture contents 5%, 8%, 10%, 12%, 14%, 16%, 18%, 20%, 22% and 25%, was studied. Spore suspension of a toxigenic A. flavus containing ~ 3×10 spore/ml was inoculated in each flask containing 50 g wheat flour and incubated for 15 days. Spore count was observed slightly in flour with a moisture content 5% at all incubation temperature, then increased gradually by rising the moisture content reaching the maximum at 30oC with moisture content 25%. High performance liquid chromatography analysis of AFB1 showed the lowest quantification (482 ng/kg) at 20oC with 8% moisture content in comparison to uninoculated control. The higher quantity of AFB1 (637835.4 ng/kg) was produced at 25oC with 25% moisture content. Accumulation of high amounts of AFB1 was noticed at 20, 30 and 35oC with moisture content 25%. However, at 40oC with moisture contents 22% and 25%, high spore count was recorded, but traces of AFB1 were produced. The significance of this investigation is that, in the event of wheat flour contamination with afltoxigenic species, rise in moisture contents are hazardous in the storage of wheat flour around 25oC.
{"title":"Influence of Different Moisture Contents and Temperature on Growth and Production of Aflatoxin B1 by a Toxigenic Aspergillus flavus Isolate in Wheat Flour","authors":"A. Hassane, A. El-Shanawany, N. Abo-Dahab, A. Abdel-Hadi, U. Abdul-Raouf, M. Mwanza","doi":"10.18576/JEHE/050302","DOIUrl":"https://doi.org/10.18576/JEHE/050302","url":null,"abstract":"Experimental short time population and production of aflatoxin B1 by Aspergillus flavus in wheat flour at 20, 25, 30, 35 and 40oC, as related to different moisture contents 5%, 8%, 10%, 12%, 14%, 16%, 18%, 20%, 22% and 25%, was studied. Spore suspension of a toxigenic A. flavus containing ~ 3×10 spore/ml was inoculated in each flask containing 50 g wheat flour and incubated for 15 days. Spore count was observed slightly in flour with a moisture content 5% at all incubation temperature, then increased gradually by rising the moisture content reaching the maximum at 30oC with moisture content 25%. High performance liquid chromatography analysis of AFB1 showed the lowest quantification (482 ng/kg) at 20oC with 8% moisture content in comparison to uninoculated control. The higher quantity of AFB1 (637835.4 ng/kg) was produced at 25oC with 25% moisture content. Accumulation of high amounts of AFB1 was noticed at 20, 30 and 35oC with moisture content 25%. However, at 40oC with moisture contents 22% and 25%, high spore count was recorded, but traces of AFB1 were produced. The significance of this investigation is that, in the event of wheat flour contamination with afltoxigenic species, rise in moisture contents are hazardous in the storage of wheat flour around 25oC.","PeriodicalId":106668,"journal":{"name":"Journal of Ecology and Health","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123263907","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Mohammad. H. A. Hassan, M. Ismail, A. Moharram, A. Shoreit
{"title":"Phytochemical and Antimicrobial of Latex Serum of Calotropis Procera and its Silver Nanoparticles Against Some Reference Pathogenic Strains","authors":"Mohammad. H. A. Hassan, M. Ismail, A. Moharram, A. Shoreit","doi":"10.18576/JEHE/050301","DOIUrl":"https://doi.org/10.18576/JEHE/050301","url":null,"abstract":"","PeriodicalId":106668,"journal":{"name":"Journal of Ecology and Health","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132458971","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A. El-Badawy, M. Amer, B. Wadie, Dalia Fleifel, A. AlOkda, N. El-Badri
{"title":"Ovarian Extract Promotes Proliferation and Upregulates Pluripotency of Mesenchymal Stromal Cells","authors":"A. El-Badawy, M. Amer, B. Wadie, Dalia Fleifel, A. AlOkda, N. El-Badri","doi":"10.18576/JEHE/040303","DOIUrl":"https://doi.org/10.18576/JEHE/040303","url":null,"abstract":"","PeriodicalId":106668,"journal":{"name":"Journal of Ecology and Health","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130073069","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Antagonistic Activity of Actinomyces Isolated from Azerbaijan’s Soils","authors":"Behboodi Elham, Hasanova Sevda","doi":"10.18576/JEHE/040302","DOIUrl":"https://doi.org/10.18576/JEHE/040302","url":null,"abstract":"","PeriodicalId":106668,"journal":{"name":"Journal of Ecology and Health","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116062197","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Iron Regulation of Growth and Heterocyst Formation in the Nitrogen Fixing Cyanobacterium Nostoc sp. PCC 7120","authors":"Wafaa Aly, S. Andrews","doi":"10.18576/JEHE/040301","DOIUrl":"https://doi.org/10.18576/JEHE/040301","url":null,"abstract":"","PeriodicalId":106668,"journal":{"name":"Journal of Ecology and Health","volume":"42 1-8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134250720","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
For the purpose of this study, two common tree species namely: Ficus nitida and Eucalyptus golobulus were selected in the areas surrounding Asyut Superphosphate Fertilizer Plant, Upper Egypt. Physiological and anatomical responses of tree leaf due to airborne particles deposition were studied. Leaves exhibited reduction in their surface area, dry weight, chlorophyll contents, and an increase of carotenoids content. Anatomical features exhibited highly significant variations between control and polluted sites. All the measured parameters showed seasonal and plant species effects, where F. nitida appeared to be more sensitive than E. globulus. Correlation between leaf characteristics and the mass of captured leaf deposit reflects the existence of an association in between and the drastic conditions caused by the prevailing atmospheric pollution, recommend their using as biomarkers.
{"title":"Urban Tree Leaf as Bio-indicator for Air Pollution around Superphosphate Fertilizers Plant, Upper Egypt","authors":"A. El-khatib, A. El-Shanawany, E. M. El-Amery","doi":"10.18576/JEHE/040207","DOIUrl":"https://doi.org/10.18576/JEHE/040207","url":null,"abstract":"For the purpose of this study, two common tree species namely: Ficus nitida and Eucalyptus golobulus were selected in the areas surrounding Asyut Superphosphate Fertilizer Plant, Upper Egypt. Physiological and anatomical responses of tree leaf due to airborne particles deposition were studied. Leaves exhibited reduction in their surface area, dry weight, chlorophyll contents, and an increase of carotenoids content. Anatomical features exhibited highly significant variations between control and polluted sites. All the measured parameters showed seasonal and plant species effects, where F. nitida appeared to be more sensitive than E. globulus. Correlation between leaf characteristics and the mass of captured leaf deposit reflects the existence of an association in between and the drastic conditions caused by the prevailing atmospheric pollution, recommend their using as biomarkers.","PeriodicalId":106668,"journal":{"name":"Journal of Ecology and Health","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114850508","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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