Evaluation and enhancement of heavy metals bioremediation in aqueous solutions by Nocardiopsis sp. MORSY1948, and Nocardia sp. MORSY2014.
Identifieur interne : 000136 ( PubMed/Checkpoint ); précédent : 000135; suivant : 000137Evaluation and enhancement of heavy metals bioremediation in aqueous solutions by Nocardiopsis sp. MORSY1948, and Nocardia sp. MORSY2014.
Auteurs : Mervat Morsy Abbas Ahmed El-Gendy [Égypte] ; Ahmed Mohamed Ahmed El-Bondkly [Égypte]Source :
- Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] [ 1678-4405 ]
English descriptors
- KwdEn :
- Adsorption, Biodegradation, Environmental, Biomass, Egypt, Hydrogen-Ion Concentration, Industrial Waste, Metals, Heavy (metabolism), Metals, Heavy (toxicity), Nocardia (classification), Nocardia (genetics), Nocardia (isolation & purification), Nocardia (metabolism), RNA, Ribosomal, 16S (genetics), Temperature, Time Factors, Waste Water (microbiology), Water Pollutants, Chemical (metabolism).
- MESH :
- chemical , genetics : RNA, Ribosomal, 16S.
- chemical , metabolism : Metals, Heavy, Water Pollutants, Chemical.
- chemical , microbiology : Waste Water.
- chemical , toxicity : Metals, Heavy.
- chemical : Industrial Waste.
- classification : Nocardia.
- genetics : Nocardia.
- isolation & purification : Nocardia.
- metabolism : Nocardia.
- Adsorption, Biodegradation, Environmental, Biomass, Egypt, Hydrogen-Ion Concentration, Temperature, Time Factors.
Abstract
An analysis of wastewater samples collected from different industrial regions of Egypt demonstrated dangerously high levels of nickel (0.27-31.50mgL(-1)), chromium (1.50-7.41mgL(-1)) and zinc (1.91-9.74mgL(-1)) in the effluents. Alarmingly, these heavy metals are among the most toxic knownones to humans and wildlife. Sixty-nine Actinomycete isolates derived from contaminated sites were evaluated under single, binary, and ternary systems for their biosorption capacity for Ni(2+), Cr(6+) and Zn(2+) from aqueous solutions. The results of the study identified isolates MORSY1948 and MORSY2014 as the most active biosorbents. Phenotypic and chemotypic characterization along with molecular phylogenetic evidence confirmed that the two strains are members of the Nocardiopsis and Nocardia genera, respectively. The results also proved that for both the strains, heavy metal reduction was more efficient with dead rather than live biomass. The affinity of the dead biomass of MORSY1948 strain for Ni(2+), Cr(6+) and Zn(2+) under the optimized pH conditions of 7, 8 and 7, respectively at 40°C temperature with 0.3% biosorbent dosage was found to be as follows: Ni(2+) (87.90%)>Zn(2+) (84.15%)>Cr(6+) (63.75%). However, the dead biomass of MORSY2014 strain under conditions of pH 8 and 50°C temperature with 0.3% biosorbent dose exhibited the highest affinity which was as follows: Cr(6+) (95.22%)>Ni(2+) (93.53%)>Zn(2+) (90.37%). All heavy metals under study were found to be removed from aqueous solutions in entirety when the sorbent dosage was increased to 0.4%.
DOI: 10.1016/j.bjm.2016.04.029
PubMed: 27245130
Affiliations:
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Electronic address: ahmed_bondkly@yahoo.com.</nlm:affiliation><country xml:lang="fr">Égypte</country><wicri:regionArea>Genetics and Cytology Department, National Research Centre, Dokki, Giza</wicri:regionArea><wicri:noRegion>Giza</wicri:noRegion></affiliation></author></analytic><series><title level="j">Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology]</title><idno type="eISSN">1678-4405</idno></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adsorption</term><term>Biodegradation, Environmental</term><term>Biomass</term><term>Egypt</term><term>Hydrogen-Ion Concentration</term><term>Industrial Waste</term><term>Metals, Heavy (metabolism)</term><term>Metals, Heavy (toxicity)</term><term>Nocardia (classification)</term><term>Nocardia (genetics)</term><term>Nocardia (isolation & purification)</term><term>Nocardia (metabolism)</term><term>RNA, Ribosomal, 16S (genetics)</term><term>Temperature</term><term>Time Factors</term><term>Waste Water (microbiology)</term><term>Water Pollutants, Chemical (metabolism)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en"><term>RNA, Ribosomal, 16S</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Metals, Heavy</term><term>Water Pollutants, Chemical</term></keywords><keywords scheme="MESH" type="chemical" qualifier="microbiology" xml:lang="en"><term>Waste Water</term></keywords><keywords scheme="MESH" type="chemical" qualifier="toxicity" xml:lang="en"><term>Metals, Heavy</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Industrial Waste</term></keywords><keywords scheme="MESH" qualifier="classification" xml:lang="en"><term>Nocardia</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Nocardia</term></keywords><keywords scheme="MESH" qualifier="isolation & purification" xml:lang="en"><term>Nocardia</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Nocardia</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adsorption</term><term>Biodegradation, Environmental</term><term>Biomass</term><term>Egypt</term><term>Hydrogen-Ion Concentration</term><term>Temperature</term><term>Time Factors</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">An analysis of wastewater samples collected from different industrial regions of Egypt demonstrated dangerously high levels of nickel (0.27-31.50mgL(-1)), chromium (1.50-7.41mgL(-1)) and zinc (1.91-9.74mgL(-1)) in the effluents. Alarmingly, these heavy metals are among the most toxic knownones to humans and wildlife. Sixty-nine Actinomycete isolates derived from contaminated sites were evaluated under single, binary, and ternary systems for their biosorption capacity for Ni(2+), Cr(6+) and Zn(2+) from aqueous solutions. The results of the study identified isolates MORSY1948 and MORSY2014 as the most active biosorbents. Phenotypic and chemotypic characterization along with molecular phylogenetic evidence confirmed that the two strains are members of the Nocardiopsis and Nocardia genera, respectively. The results also proved that for both the strains, heavy metal reduction was more efficient with dead rather than live biomass. The affinity of the dead biomass of MORSY1948 strain for Ni(2+), Cr(6+) and Zn(2+) under the optimized pH conditions of 7, 8 and 7, respectively at 40°C temperature with 0.3% biosorbent dosage was found to be as follows: Ni(2+) (87.90%)>Zn(2+) (84.15%)>Cr(6+) (63.75%). However, the dead biomass of MORSY2014 strain under conditions of pH 8 and 50°C temperature with 0.3% biosorbent dose exhibited the highest affinity which was as follows: Cr(6+) (95.22%)>Ni(2+) (93.53%)>Zn(2+) (90.37%). All heavy metals under study were found to be removed from aqueous solutions in entirety when the sorbent dosage was increased to 0.4%.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">27245130</PMID><DateCreated><Year>2016</Year><Month>07</Month><Day>02</Day></DateCreated><DateCompleted><Year>2017</Year><Month>01</Month><Day>18</Day></DateCompleted><DateRevised><Year>2017</Year><Month>01</Month><Day>18</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1678-4405</ISSN><JournalIssue CitedMedium="Internet"><Volume>47</Volume><Issue>3</Issue><PubDate><MedlineDate>2016 Jul-Sep</MedlineDate></PubDate></JournalIssue><Title>Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology]</Title><ISOAbbreviation>Braz. J. Microbiol.</ISOAbbreviation></Journal><ArticleTitle>Evaluation and enhancement of heavy metals bioremediation in aqueous solutions by Nocardiopsis sp. 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Phenotypic and chemotypic characterization along with molecular phylogenetic evidence confirmed that the two strains are members of the Nocardiopsis and Nocardia genera, respectively. The results also proved that for both the strains, heavy metal reduction was more efficient with dead rather than live biomass. The affinity of the dead biomass of MORSY1948 strain for Ni(2+), Cr(6+) and Zn(2+) under the optimized pH conditions of 7, 8 and 7, respectively at 40°C temperature with 0.3% biosorbent dosage was found to be as follows: Ni(2+) (87.90%)>Zn(2+) (84.15%)>Cr(6+) (63.75%). However, the dead biomass of MORSY2014 strain under conditions of pH 8 and 50°C temperature with 0.3% biosorbent dose exhibited the highest affinity which was as follows: Cr(6+) (95.22%)>Ni(2+) (93.53%)>Zn(2+) (90.37%). All heavy metals under study were found to be removed from aqueous solutions in entirety when the sorbent dosage was increased to 0.4%.</AbstractText><CopyrightInformation>Copyright © 2016 Sociedade Brasileira de Microbiologia. Published by Elsevier Editora Ltda. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>El-Gendy</LastName><ForeName>Mervat Morsy Abbas Ahmed</ForeName><Initials>MM</Initials><AffiliationInfo><Affiliation>Department of Biological Sciences, Faculty of Sciences, King Abdulaziz University (KAU), Jeddah, Saudi Arabia; Chemistry of Natural and Microbial Products Department, National Research Centre, Dokki, Giza, Egypt.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>El-Bondkly</LastName><ForeName>Ahmed Mohamed Ahmed</ForeName><Initials>AM</Initials><AffiliationInfo><Affiliation>Genetics and Cytology Department, National Research Centre, Dokki, Giza, Egypt. Electronic address: ahmed_bondkly@yahoo.com.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2016</Year><Month>04</Month><Day>29</Day></ArticleDate></Article><MedlineJournalInfo><Country>Brazil</Country><MedlineTA>Braz J Microbiol</MedlineTA><NlmUniqueID>101095924</NlmUniqueID><ISSNLinking>1517-8382</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D007220">Industrial Waste</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D019216">Metals, Heavy</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D012336">RNA, Ribosomal, 16S</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D062065">Waste 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Water</DescriptorName><QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014874" MajorTopicYN="N">Water Pollutants, Chemical</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading></MeshHeadingList><OtherID Source="NLM">PMC4927648</OtherID><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Biosorption</Keyword><Keyword MajorTopicYN="N">Dead and live biomass</Keyword><Keyword MajorTopicYN="N">Heavy metals</Keyword><Keyword MajorTopicYN="N">Nocardia</Keyword><Keyword MajorTopicYN="N">Nocardiopsis</Keyword><Keyword MajorTopicYN="N">Wastewater</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2015</Year><Month>05</Month><Day>04</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2016</Year><Month>02</Month><Day>20</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2016</Year><Month>6</Month><Day>2</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2016</Year><Month>6</Month><Day>2</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2017</Year><Month>1</Month><Day>19</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">27245130</ArticleId><ArticleId IdType="pii">S1517-8382(16)30310-0</ArticleId><ArticleId IdType="doi">10.1016/j.bjm.2016.04.029</ArticleId><ArticleId IdType="pmc">PMC4927648</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Égypte</li></country></list><tree><country name="Égypte"><noRegion><name sortKey="El Gendy, Mervat Morsy Abbas Ahmed" sort="El Gendy, Mervat Morsy Abbas Ahmed" uniqKey="El Gendy M" first="Mervat Morsy Abbas Ahmed" last="El-Gendy">Mervat Morsy Abbas Ahmed El-Gendy</name></noRegion><name sortKey="El Bondkly, Ahmed Mohamed Ahmed" sort="El Bondkly, Ahmed Mohamed Ahmed" uniqKey="El Bondkly A" first="Ahmed Mohamed Ahmed" last="El-Bondkly">Ahmed Mohamed Ahmed El-Bondkly</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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