PhanerochaeteV1, Main, Exploration, bibRecord, 000194

[Comparison of two mycelial pellets formation methods to immobilize o-chlorophenol degradation bacteria].

Identifieur interne : 000194 ( Main/Exploration ); précédent : 000193; suivant : 000195

[Comparison of two mycelial pellets formation methods to immobilize o-chlorophenol degradation bacteria].

Auteurs : Yijua Dong ; Peng Li ; Jianghai He ; Liang Li ; Xiaomin Hu

Source :

Wei sheng wu xue bao = Acta microbiologica Sinica [ 0001-6209 ] ; 2016.

RBID : pubmed:29727137

Descripteurs français

KwdFr :
- Antibactériens (métabolisme), Bactéries (composition chimique), Bactéries (métabolisme), Cellules immobilisées (composition chimique), Cellules immobilisées (métabolisme), Chlorophénols (métabolisme), Eaux usées (microbiologie), Mycelium (composition chimique), Mycelium (métabolisme), Phanerochaete (composition chimique), Phanerochaete (métabolisme), Photosynthèse (MeSH), Purification de l'eau (méthodes).
MESH :
- composition chimique : Bactéries, Cellules immobilisées, Mycelium, Phanerochaete.
- microbiologie : Eaux usées.
- métabolisme : Antibactériens, Bactéries, Cellules immobilisées, Chlorophénols, Mycelium, Phanerochaete.
- méthodes : Purification de l'eau.
- Photosynthèse.

English descriptors

KwdEn :
- Anti-Bacterial Agents (metabolism), Bacteria (chemistry), Bacteria (metabolism), Cells, Immobilized (chemistry), Cells, Immobilized (metabolism), Chlorophenols (metabolism), Mycelium (chemistry), Mycelium (metabolism), Phanerochaete (chemistry), Phanerochaete (metabolism), Photosynthesis (MeSH), Waste Water (microbiology), Water Purification (methods).
MESH :
- chemical , metabolism : Anti-Bacterial Agents, Chlorophenols.
- chemistry : Bacteria, Cells, Immobilized, Mycelium, Phanerochaete.
- metabolism : Bacteria, Cells, Immobilized, Mycelium, Phanerochaete.
- methods : Water Purification.
- chemical , microbiology : Waste Water.
- Photosynthesis.

Abstract

Objective

To find an efficient and fast method for microbial immobilization, we compared simultaneity culture method and adsorption method on morphology and intrastructure of combined mycelial pellets, as well as their o-chlorophenol biodegradation efficiency.

Methods

The o-chlorophenol degrading photosynthetic bacterium PSB-1D was immobilized onto mycelial pellets formed by Phanerochaete chrysosporium DH-1 to form combined mycelial pellets. The morphology and intrastructure of pellets formed by two immobilization methods were observed by optical microscope and scanning electron microscope. Then, their differences were analyzed. Using the sterile medium as control, o-chlorophenol removal efficiency of free photosynthetic bacteria, single mycelial pellets and combined mycelial pellets formed by two methods were studied.

Results

Photosynthetic bacteria were largely concentrated in the core region of pellets formed by simultaneity culture method and grew in clusters on each mycelium and their intersections. As compared with simultaneity culture method, photosynthetic bacteria mainly grew in the transition region of pellets formed by adsorption method. With the same inoculation amount of spores and photosynthetic bacteria, the simultaneity culture method could immobilize more bacteria with little time. Moreover, average diameter, dry weight and dry wet ratio of pellets formed by simultaneity culture method were bigger than that by adsorption method, and their desorption amount were less. The o-chlorophenol degradation followed a first-order kinetics model. The combined mycelial pellets formed by simultaneity culture method could degrade above 89% of o-chlorophenol in medium with an initial concentration of 50 mg/L after incubation for 7 days. And the half-life periods (t1/2) were shortened to 2.8 days.

Conclusion

The study provides the theoretical foundation for the practical application of the new biomass carrier to organic wastewater treatment.

PubMed: 29727137

Affiliations:

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Le document en format XML

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<author><name sortKey="Dong, Yijua" sort="Dong, Yijua" uniqKey="Dong Y" first="Yijua" last="Dong">Yijua Dong</name>
</author>
<author><name sortKey="Li, Peng" sort="Li, Peng" uniqKey="Li P" first="Peng" last="Li">Peng Li</name>
</author>
<author><name sortKey="He, Jianghai" sort="He, Jianghai" uniqKey="He J" first="Jianghai" last="He">Jianghai He</name>
</author>
<author><name sortKey="Li, Liang" sort="Li, Liang" uniqKey="Li L" first="Liang" last="Li">Liang Li</name>
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<author><name sortKey="Hu, Xiaomin" sort="Hu, Xiaomin" uniqKey="Hu X" first="Xiaomin" last="Hu">Xiaomin Hu</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">[Comparison of two mycelial pellets formation methods to immobilize o-chlorophenol degradation bacteria].</title>
<author><name sortKey="Dong, Yijua" sort="Dong, Yijua" uniqKey="Dong Y" first="Yijua" last="Dong">Yijua Dong</name>
</author>
<author><name sortKey="Li, Peng" sort="Li, Peng" uniqKey="Li P" first="Peng" last="Li">Peng Li</name>
</author>
<author><name sortKey="He, Jianghai" sort="He, Jianghai" uniqKey="He J" first="Jianghai" last="He">Jianghai He</name>
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<author><name sortKey="Li, Liang" sort="Li, Liang" uniqKey="Li L" first="Liang" last="Li">Liang Li</name>
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<author><name sortKey="Hu, Xiaomin" sort="Hu, Xiaomin" uniqKey="Hu X" first="Xiaomin" last="Hu">Xiaomin Hu</name>
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<series><title level="j">Wei sheng wu xue bao = Acta microbiologica Sinica</title>
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<imprint><date when="2016" type="published">2016</date>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Anti-Bacterial Agents (metabolism)</term>
<term>Bacteria (chemistry)</term>
<term>Bacteria (metabolism)</term>
<term>Cells, Immobilized (chemistry)</term>
<term>Cells, Immobilized (metabolism)</term>
<term>Chlorophenols (metabolism)</term>
<term>Mycelium (chemistry)</term>
<term>Mycelium (metabolism)</term>
<term>Phanerochaete (chemistry)</term>
<term>Phanerochaete (metabolism)</term>
<term>Photosynthesis (MeSH)</term>
<term>Waste Water (microbiology)</term>
<term>Water Purification (methods)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr"><term>Antibactériens (métabolisme)</term>
<term>Bactéries (composition chimique)</term>
<term>Bactéries (métabolisme)</term>
<term>Cellules immobilisées (composition chimique)</term>
<term>Cellules immobilisées (métabolisme)</term>
<term>Chlorophénols (métabolisme)</term>
<term>Eaux usées (microbiologie)</term>
<term>Mycelium (composition chimique)</term>
<term>Mycelium (métabolisme)</term>
<term>Phanerochaete (composition chimique)</term>
<term>Phanerochaete (métabolisme)</term>
<term>Photosynthèse (MeSH)</term>
<term>Purification de l'eau (méthodes)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Anti-Bacterial Agents</term>
<term>Chlorophenols</term>
</keywords>
<keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Bacteria</term>
<term>Cells, Immobilized</term>
<term>Mycelium</term>
<term>Phanerochaete</term>
</keywords>
<keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Bactéries</term>
<term>Cellules immobilisées</term>
<term>Mycelium</term>
<term>Phanerochaete</term>
</keywords>
<keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Bacteria</term>
<term>Cells, Immobilized</term>
<term>Mycelium</term>
<term>Phanerochaete</term>
</keywords>
<keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Water Purification</term>
</keywords>
<keywords scheme="MESH" qualifier="microbiologie" xml:lang="fr"><term>Eaux usées</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="microbiology" xml:lang="en"><term>Waste Water</term>
</keywords>
<keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Antibactériens</term>
<term>Bactéries</term>
<term>Cellules immobilisées</term>
<term>Chlorophénols</term>
<term>Mycelium</term>
<term>Phanerochaete</term>
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<keywords scheme="MESH" qualifier="méthodes" xml:lang="fr"><term>Purification de l'eau</term>
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<keywords scheme="MESH" xml:lang="en"><term>Photosynthesis</term>
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<keywords scheme="MESH" xml:lang="fr"><term>Photosynthèse</term>
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<front><div type="abstract" xml:lang="en"><p><b>Objective</b>
</p>
<p>To find an efficient and fast method for microbial immobilization, we compared simultaneity culture method and adsorption method on morphology and intrastructure of combined mycelial pellets, as well as their o-chlorophenol biodegradation efficiency.</p>
</div>
<div type="abstract" xml:lang="en"><p><b>Methods</b>
</p>
<p>The o-chlorophenol degrading photosynthetic bacterium PSB-1D was immobilized onto mycelial pellets formed by Phanerochaete chrysosporium DH-1 to form combined mycelial pellets. The morphology and intrastructure of pellets formed by two immobilization methods were observed by optical microscope and scanning electron microscope. Then, their differences were analyzed. Using the sterile medium as control, o-chlorophenol removal efficiency of free photosynthetic bacteria, single mycelial pellets and combined mycelial pellets formed by two methods were studied.</p>
</div>
<div type="abstract" xml:lang="en"><p><b>Results</b>
</p>
<p>Photosynthetic bacteria were largely concentrated in the core region of pellets formed by simultaneity culture method and grew in clusters on each mycelium and their intersections. As compared with simultaneity culture method, photosynthetic bacteria mainly grew in the transition region of pellets formed by adsorption method. With the same inoculation amount of spores and photosynthetic bacteria, the simultaneity culture method could immobilize more bacteria with little time. Moreover, average diameter, dry weight and dry wet ratio of pellets formed by simultaneity culture method were bigger than that by adsorption method, and their desorption amount were less. The o-chlorophenol degradation followed a first-order kinetics model. The combined mycelial pellets formed by simultaneity culture method could degrade above 89% of o-chlorophenol in medium with an initial concentration of 50 mg/L after incubation for 7 days. And the half-life periods (t1/2) were shortened to 2.8 days.</p>
</div>
<div type="abstract" xml:lang="en"><p><b>Conclusion</b>
</p>
<p>The study provides the theoretical foundation for the practical application of the new biomass carrier to organic wastewater treatment.</p>
</div>
</front>
</TEI>
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<Abstract><AbstractText Label="Objective">To find an efficient and fast method for microbial immobilization, we compared simultaneity culture method and adsorption method on morphology and intrastructure of combined mycelial pellets, as well as their o-chlorophenol biodegradation efficiency.</AbstractText>
<AbstractText Label="Methods">The o-chlorophenol degrading photosynthetic bacterium PSB-1D was immobilized onto mycelial pellets formed by Phanerochaete chrysosporium DH-1 to form combined mycelial pellets. The morphology and intrastructure of pellets formed by two immobilization methods were observed by optical microscope and scanning electron microscope. Then, their differences were analyzed. Using the sterile medium as control, o-chlorophenol removal efficiency of free photosynthetic bacteria, single mycelial pellets and combined mycelial pellets formed by two methods were studied.</AbstractText>
<AbstractText Label="Results">Photosynthetic bacteria were largely concentrated in the core region of pellets formed by simultaneity culture method and grew in clusters on each mycelium and their intersections. As compared with simultaneity culture method, photosynthetic bacteria mainly grew in the transition region of pellets formed by adsorption method. With the same inoculation amount of spores and photosynthetic bacteria, the simultaneity culture method could immobilize more bacteria with little time. Moreover, average diameter, dry weight and dry wet ratio of pellets formed by simultaneity culture method were bigger than that by adsorption method, and their desorption amount were less. The o-chlorophenol degradation followed a first-order kinetics model. The combined mycelial pellets formed by simultaneity culture method could degrade above 89% of o-chlorophenol in medium with an initial concentration of 50 mg/L after incubation for 7 days. And the half-life periods (t1/2) were shortened to 2.8 days.</AbstractText>
<AbstractText Label="Conclusion">The study provides the theoretical foundation for the practical application of the new biomass carrier to organic wastewater treatment.</AbstractText>
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<name sortKey="Hu, Xiaomin" sort="Hu, Xiaomin" uniqKey="Hu X" first="Xiaomin" last="Hu">Xiaomin Hu</name>
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[Comparison of two mycelial pellets formation methods to immobilize o-chlorophenol degradation bacteria].

[Comparison of two mycelial pellets formation methods to immobilize o-chlorophenol degradation bacteria].

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki