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Computational Analysis of the Tripartite Interaction of Phasins -DNA of IAzospirillum brasilense/I Sp7
Azospirillum brasilense Sp7 produces PHB, which is covered by granule-associated proteins (GAPs). Phasins are the main GAPs. Previous studies have shown phasins can regulate PHB synthesis. When A. brasilense grows under stress conditions, it uses sigma factors to transcribe genes for survival. One o...
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Published in: | Polymers 2024-02, Vol.16 (5) |
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creator | Aguilar-Carrillo, Yovani Soto-Urzúa, Lucía Martínez-Martínez, María De Los Ángeles Becerril-Ramírez, Mirian Martínez-Morales, Luis Javier |
description | Azospirillum brasilense Sp7 produces PHB, which is covered by granule-associated proteins (GAPs). Phasins are the main GAPs. Previous studies have shown phasins can regulate PHB synthesis. When A. brasilense grows under stress conditions, it uses sigma factors to transcribe genes for survival. One of these factors is the σ[sup.24] factor. This study determined the possible interaction between phasins and the σ[sup.24] factor or phasin-σ[sup.24] factor complex and DNA. Three-dimensional structures of phasins and σ[sup.24] factor structures were predicted using the I-TASSER and SWISS-Model servers, respectively. Subsequently, a molecular docking between phasins and the σ[sup.24] factor was performed using the ClusPro 2.0 server, followed by molecular docking between protein complexes and DNA using the HDOCK server. Evaluation of the types of ligand–receptor interactions was performed using the BIOVIA Discovery Visualizer for three-dimensional diagrams, as well as the LigPlot server to obtain bi-dimensional diagrams. The results showed the phasins (Pha4[sub.Abs7] or Pha5[sub.Abs7] )-σ[sup.24] factor complex was bound near the −35 box of the promoter region of the phaC gene. However, in the individual interaction of PhaP5[sub.Abs7] and the σ[sup.24] factor, with DNA, both proteins were bound to the −35 box. This did not occur with PhaP4[sub.Abs7] , which was bound to the −10 box. This change could affect the transcription level of the phaC gene and possibly affect PHB synthesis. |
doi_str_mv | 10.3390/polym16050611 |
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Phasins are the main GAPs. Previous studies have shown phasins can regulate PHB synthesis. When A. brasilense grows under stress conditions, it uses sigma factors to transcribe genes for survival. One of these factors is the σ[sup.24] factor. This study determined the possible interaction between phasins and the σ[sup.24] factor or phasin-σ[sup.24] factor complex and DNA. Three-dimensional structures of phasins and σ[sup.24] factor structures were predicted using the I-TASSER and SWISS-Model servers, respectively. Subsequently, a molecular docking between phasins and the σ[sup.24] factor was performed using the ClusPro 2.0 server, followed by molecular docking between protein complexes and DNA using the HDOCK server. Evaluation of the types of ligand–receptor interactions was performed using the BIOVIA Discovery Visualizer for three-dimensional diagrams, as well as the LigPlot server to obtain bi-dimensional diagrams. The results showed the phasins (Pha4[sub.Abs7] or Pha5[sub.Abs7] )-σ[sup.24] factor complex was bound near the −35 box of the promoter region of the phaC gene. However, in the individual interaction of PhaP5[sub.Abs7] and the σ[sup.24] factor, with DNA, both proteins were bound to the −35 box. This did not occur with PhaP4[sub.Abs7] , which was bound to the −10 box. This change could affect the transcription level of the phaC gene and possibly affect PHB synthesis.</description><identifier>ISSN: 2073-4360</identifier><identifier>EISSN: 2073-4360</identifier><identifier>DOI: 10.3390/polym16050611</identifier><language>eng</language><publisher>MDPI AG</publisher><subject>Analysis ; DNA ; Genetic transcription ; Identification and classification ; Polyhydroxyalkanoates ; Properties ; Structure</subject><ispartof>Polymers, 2024-02, Vol.16 (5)</ispartof><rights>COPYRIGHT 2024 MDPI AG</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,777,781,27905,27906</link.rule.ids></links><search><creatorcontrib>Aguilar-Carrillo, Yovani</creatorcontrib><creatorcontrib>Soto-Urzúa, Lucía</creatorcontrib><creatorcontrib>Martínez-Martínez, María De Los Ángeles</creatorcontrib><creatorcontrib>Becerril-Ramírez, Mirian</creatorcontrib><creatorcontrib>Martínez-Morales, Luis Javier</creatorcontrib><title>Computational Analysis of the Tripartite Interaction of Phasins -DNA of IAzospirillum brasilense/I Sp7</title><title>Polymers</title><description>Azospirillum brasilense Sp7 produces PHB, which is covered by granule-associated proteins (GAPs). Phasins are the main GAPs. Previous studies have shown phasins can regulate PHB synthesis. When A. brasilense grows under stress conditions, it uses sigma factors to transcribe genes for survival. One of these factors is the σ[sup.24] factor. This study determined the possible interaction between phasins and the σ[sup.24] factor or phasin-σ[sup.24] factor complex and DNA. Three-dimensional structures of phasins and σ[sup.24] factor structures were predicted using the I-TASSER and SWISS-Model servers, respectively. Subsequently, a molecular docking between phasins and the σ[sup.24] factor was performed using the ClusPro 2.0 server, followed by molecular docking between protein complexes and DNA using the HDOCK server. Evaluation of the types of ligand–receptor interactions was performed using the BIOVIA Discovery Visualizer for three-dimensional diagrams, as well as the LigPlot server to obtain bi-dimensional diagrams. The results showed the phasins (Pha4[sub.Abs7] or Pha5[sub.Abs7] )-σ[sup.24] factor complex was bound near the −35 box of the promoter region of the phaC gene. However, in the individual interaction of PhaP5[sub.Abs7] and the σ[sup.24] factor, with DNA, both proteins were bound to the −35 box. This did not occur with PhaP4[sub.Abs7] , which was bound to the −10 box. This change could affect the transcription level of the phaC gene and possibly affect PHB synthesis.</description><subject>Analysis</subject><subject>DNA</subject><subject>Genetic transcription</subject><subject>Identification and classification</subject><subject>Polyhydroxyalkanoates</subject><subject>Properties</subject><subject>Structure</subject><issn>2073-4360</issn><issn>2073-4360</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNptTj1rwzAQFaWFhjRjd0FnJ5JlS_Zo0i9DaAv1HmT5lKjIlrGUIf31lWmHDL2Du3u8946H0D0la8ZKshmdPfeUk5xwSq_QIiWCJRnj5PrivkUr779IrCznnIoF0lvXj6cgg3GDtLiK4-yNx07jcATcTGaUUzABcD0EmKSahTP7cZTeDB4nj2_VjOvq2_nRTMbaU4_bKbIWBg-bGn-O4g7daGk9rP72EjXPT832Ndm9v9TbapccuOCJVHnJcyUk74gCTkQhJBCZEshYN0MOTNOUgSqIpGnWFmmnZJeXbZRootgSPfy-PUgLezNoF2Lk3ni1r6I7Y0VR8qha_6OK3UFvlBtAx-iXhh80Emke</recordid><startdate>20240201</startdate><enddate>20240201</enddate><creator>Aguilar-Carrillo, Yovani</creator><creator>Soto-Urzúa, Lucía</creator><creator>Martínez-Martínez, María De Los Ángeles</creator><creator>Becerril-Ramírez, Mirian</creator><creator>Martínez-Morales, Luis Javier</creator><general>MDPI AG</general><scope/></search><sort><creationdate>20240201</creationdate><title>Computational Analysis of the Tripartite Interaction of Phasins -DNA of IAzospirillum brasilense/I Sp7</title><author>Aguilar-Carrillo, Yovani ; Soto-Urzúa, Lucía ; Martínez-Martínez, María De Los Ángeles ; Becerril-Ramírez, Mirian ; Martínez-Morales, Luis Javier</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-g676-ac5965c7a6d0ce60787ae0a20e43d60786e3f123ec80a124b82dcad59b20ef0c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Analysis</topic><topic>DNA</topic><topic>Genetic transcription</topic><topic>Identification and classification</topic><topic>Polyhydroxyalkanoates</topic><topic>Properties</topic><topic>Structure</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Aguilar-Carrillo, Yovani</creatorcontrib><creatorcontrib>Soto-Urzúa, Lucía</creatorcontrib><creatorcontrib>Martínez-Martínez, María De Los Ángeles</creatorcontrib><creatorcontrib>Becerril-Ramírez, Mirian</creatorcontrib><creatorcontrib>Martínez-Morales, Luis Javier</creatorcontrib><jtitle>Polymers</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Aguilar-Carrillo, Yovani</au><au>Soto-Urzúa, Lucía</au><au>Martínez-Martínez, María De Los Ángeles</au><au>Becerril-Ramírez, Mirian</au><au>Martínez-Morales, Luis Javier</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Computational Analysis of the Tripartite Interaction of Phasins -DNA of IAzospirillum brasilense/I Sp7</atitle><jtitle>Polymers</jtitle><date>2024-02-01</date><risdate>2024</risdate><volume>16</volume><issue>5</issue><issn>2073-4360</issn><eissn>2073-4360</eissn><abstract>Azospirillum brasilense Sp7 produces PHB, which is covered by granule-associated proteins (GAPs). Phasins are the main GAPs. Previous studies have shown phasins can regulate PHB synthesis. When A. brasilense grows under stress conditions, it uses sigma factors to transcribe genes for survival. One of these factors is the σ[sup.24] factor. This study determined the possible interaction between phasins and the σ[sup.24] factor or phasin-σ[sup.24] factor complex and DNA. Three-dimensional structures of phasins and σ[sup.24] factor structures were predicted using the I-TASSER and SWISS-Model servers, respectively. Subsequently, a molecular docking between phasins and the σ[sup.24] factor was performed using the ClusPro 2.0 server, followed by molecular docking between protein complexes and DNA using the HDOCK server. Evaluation of the types of ligand–receptor interactions was performed using the BIOVIA Discovery Visualizer for three-dimensional diagrams, as well as the LigPlot server to obtain bi-dimensional diagrams. The results showed the phasins (Pha4[sub.Abs7] or Pha5[sub.Abs7] )-σ[sup.24] factor complex was bound near the −35 box of the promoter region of the phaC gene. However, in the individual interaction of PhaP5[sub.Abs7] and the σ[sup.24] factor, with DNA, both proteins were bound to the −35 box. This did not occur with PhaP4[sub.Abs7] , which was bound to the −10 box. This change could affect the transcription level of the phaC gene and possibly affect PHB synthesis.</abstract><pub>MDPI AG</pub><doi>10.3390/polym16050611</doi></addata></record> |
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title | Computational Analysis of the Tripartite Interaction of Phasins -DNA of IAzospirillum brasilense/I Sp7 |
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