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Genomic Assessment of the Contribution of the IWolbachia/I Endosymbiont of IEurosta solidaginis/I to Gall Induction
We explored the genome of the Wolbachia strain, wEsol, symbiotic with the plant-gall-inducing fly Eurosta solidaginis with the goal of determining if wEsol contributes to gall induction by its insect host. Gall induction by insects has been hypothesized to involve the secretion of the phytohormones...
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| Published in: | International journal of molecular sciences 2023-06, Vol.24 (11) |
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| creator | Fiutek, Natalie Couger, Matthew B Pirro, Stacy Roy, Scott W de la Torre, José R Connor, Edward F |
| description | We explored the genome of the Wolbachia strain, wEsol, symbiotic with the plant-gall-inducing fly Eurosta solidaginis with the goal of determining if wEsol contributes to gall induction by its insect host. Gall induction by insects has been hypothesized to involve the secretion of the phytohormones cytokinin and auxin and/or proteinaceous effectors to stimulate cell division and growth in the host plant. We sequenced the metagenome of E. solidaginis and wEsol and assembled and annotated the genome of wEsol. The wEsol genome has an assembled length of 1.66 Mbp and contains 1878 protein-coding genes. The wEsol genome is replete with proteins encoded by mobile genetic elements and shows evidence of seven different prophages. We also detected evidence of multiple small insertions of wEsol genes into the genome of the host insect. Our characterization of the genome of wEsol indicates that it is compromised in the synthesis of dimethylallyl pyrophosphate (DMAPP) and S-adenosyl L-methionine (SAM), which are precursors required for the synthesis of cytokinins and methylthiolated cytokinins. wEsol is also incapable of synthesizing tryptophan, and its genome contains no enzymes in any of the known pathways for the synthesis of indole-3-acetic acid (IAA) from tryptophan. wEsol must steal DMAPP and L-methionine from its host and therefore is unlikely to provide cytokinin and auxin to its insect host for use in gall induction. Furthermore, in spite of its large repertoire of predicted Type IV secreted effector proteins, these effectors are more likely to contribute to the acquisition of nutrients and the manipulation of the host's cellular environment to contribute to growth and reproduction of wEsol than to aid E. solidaginis in manipulating its host plant. Combined with earlier work that shows that wEsol is absent from the salivary glands of E. solidaginis, our results suggest that wEsol does not contribute to gall induction by its host. |
| doi_str_mv | 10.3390/ijms24119613 |
| format | article |
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Gall induction by insects has been hypothesized to involve the secretion of the phytohormones cytokinin and auxin and/or proteinaceous effectors to stimulate cell division and growth in the host plant. We sequenced the metagenome of E. solidaginis and wEsol and assembled and annotated the genome of wEsol. The wEsol genome has an assembled length of 1.66 Mbp and contains 1878 protein-coding genes. The wEsol genome is replete with proteins encoded by mobile genetic elements and shows evidence of seven different prophages. We also detected evidence of multiple small insertions of wEsol genes into the genome of the host insect. Our characterization of the genome of wEsol indicates that it is compromised in the synthesis of dimethylallyl pyrophosphate (DMAPP) and S-adenosyl L-methionine (SAM), which are precursors required for the synthesis of cytokinins and methylthiolated cytokinins. wEsol is also incapable of synthesizing tryptophan, and its genome contains no enzymes in any of the known pathways for the synthesis of indole-3-acetic acid (IAA) from tryptophan. wEsol must steal DMAPP and L-methionine from its host and therefore is unlikely to provide cytokinin and auxin to its insect host for use in gall induction. Furthermore, in spite of its large repertoire of predicted Type IV secreted effector proteins, these effectors are more likely to contribute to the acquisition of nutrients and the manipulation of the host's cellular environment to contribute to growth and reproduction of wEsol than to aid E. solidaginis in manipulating its host plant. Combined with earlier work that shows that wEsol is absent from the salivary glands of E. solidaginis, our results suggest that wEsol does not contribute to gall induction by its host.</description><identifier>ISSN: 1422-0067</identifier><identifier>EISSN: 1422-0067</identifier><identifier>DOI: 10.3390/ijms24119613</identifier><language>eng</language><publisher>MDPI AG</publisher><subject>Analysis ; Cytokinins ; Genomes ; Genomics ; Organic acids ; Proteins ; Transposons</subject><ispartof>International journal of molecular sciences, 2023-06, Vol.24 (11)</ispartof><rights>COPYRIGHT 2023 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>315,786,790,27957,27958</link.rule.ids></links><search><creatorcontrib>Fiutek, Natalie</creatorcontrib><creatorcontrib>Couger, Matthew B</creatorcontrib><creatorcontrib>Pirro, Stacy</creatorcontrib><creatorcontrib>Roy, Scott W</creatorcontrib><creatorcontrib>de la Torre, José R</creatorcontrib><creatorcontrib>Connor, Edward F</creatorcontrib><title>Genomic Assessment of the Contribution of the IWolbachia/I Endosymbiont of IEurosta solidaginis/I to Gall Induction</title><title>International journal of molecular sciences</title><description>We explored the genome of the Wolbachia strain, wEsol, symbiotic with the plant-gall-inducing fly Eurosta solidaginis with the goal of determining if wEsol contributes to gall induction by its insect host. Gall induction by insects has been hypothesized to involve the secretion of the phytohormones cytokinin and auxin and/or proteinaceous effectors to stimulate cell division and growth in the host plant. We sequenced the metagenome of E. solidaginis and wEsol and assembled and annotated the genome of wEsol. The wEsol genome has an assembled length of 1.66 Mbp and contains 1878 protein-coding genes. The wEsol genome is replete with proteins encoded by mobile genetic elements and shows evidence of seven different prophages. We also detected evidence of multiple small insertions of wEsol genes into the genome of the host insect. Our characterization of the genome of wEsol indicates that it is compromised in the synthesis of dimethylallyl pyrophosphate (DMAPP) and S-adenosyl L-methionine (SAM), which are precursors required for the synthesis of cytokinins and methylthiolated cytokinins. wEsol is also incapable of synthesizing tryptophan, and its genome contains no enzymes in any of the known pathways for the synthesis of indole-3-acetic acid (IAA) from tryptophan. wEsol must steal DMAPP and L-methionine from its host and therefore is unlikely to provide cytokinin and auxin to its insect host for use in gall induction. Furthermore, in spite of its large repertoire of predicted Type IV secreted effector proteins, these effectors are more likely to contribute to the acquisition of nutrients and the manipulation of the host's cellular environment to contribute to growth and reproduction of wEsol than to aid E. solidaginis in manipulating its host plant. Combined with earlier work that shows that wEsol is absent from the salivary glands of E. solidaginis, our results suggest that wEsol does not contribute to gall induction by its host.</description><subject>Analysis</subject><subject>Cytokinins</subject><subject>Genomes</subject><subject>Genomics</subject><subject>Organic acids</subject><subject>Proteins</subject><subject>Transposons</subject><issn>1422-0067</issn><issn>1422-0067</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNptkEtrwzAQhEVpoWnaW3-AoGcnetiSfQwhTQyBXgI9Bj1WiYItQdY59N_XfUEOZQ-7zH4zhyHkmbOZlA2bx1OPouS8UVzekAkvhSgYU_r26r4nD4gnxoQUVTMhuIaU--joAhEQe0gDzYEOR6DLnIZztJch5vSnte-5s8Ydo5m3dJV8xo_ejv9vU7u6nDMOhmLuojeHmCKO2JDp2nQdbZO_uK-wR3IXTIfw9LunZPe62i03xfZt3S4X2-KgtC4scwyEAKe5UrWzthIhGFcqXdeqqYDpSnljvQylrUFabUUAr4RVwHlpmZySl5_Yg-lgH1PIw9m4PqLbL3QldMlqqUdq9g81joexlpwgxFG_MnwCJJFtTQ</recordid><startdate>20230601</startdate><enddate>20230601</enddate><creator>Fiutek, Natalie</creator><creator>Couger, Matthew B</creator><creator>Pirro, Stacy</creator><creator>Roy, Scott W</creator><creator>de la Torre, José R</creator><creator>Connor, Edward F</creator><general>MDPI AG</general><scope/></search><sort><creationdate>20230601</creationdate><title>Genomic Assessment of the Contribution of the IWolbachia/I Endosymbiont of IEurosta solidaginis/I to Gall Induction</title><author>Fiutek, Natalie ; Couger, Matthew B ; Pirro, Stacy ; Roy, Scott W ; de la Torre, José R ; Connor, Edward F</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-g677-b0c0e22ec71668cbb52ffac46788695e0756dabd3f4b8e3b7b2fed62b6e114b03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Analysis</topic><topic>Cytokinins</topic><topic>Genomes</topic><topic>Genomics</topic><topic>Organic acids</topic><topic>Proteins</topic><topic>Transposons</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Fiutek, Natalie</creatorcontrib><creatorcontrib>Couger, Matthew B</creatorcontrib><creatorcontrib>Pirro, Stacy</creatorcontrib><creatorcontrib>Roy, Scott W</creatorcontrib><creatorcontrib>de la Torre, José R</creatorcontrib><creatorcontrib>Connor, Edward F</creatorcontrib><jtitle>International journal of molecular sciences</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Fiutek, Natalie</au><au>Couger, Matthew B</au><au>Pirro, Stacy</au><au>Roy, Scott W</au><au>de la Torre, José R</au><au>Connor, Edward F</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Genomic Assessment of the Contribution of the IWolbachia/I Endosymbiont of IEurosta solidaginis/I to Gall Induction</atitle><jtitle>International journal of molecular sciences</jtitle><date>2023-06-01</date><risdate>2023</risdate><volume>24</volume><issue>11</issue><issn>1422-0067</issn><eissn>1422-0067</eissn><abstract>We explored the genome of the Wolbachia strain, wEsol, symbiotic with the plant-gall-inducing fly Eurosta solidaginis with the goal of determining if wEsol contributes to gall induction by its insect host. Gall induction by insects has been hypothesized to involve the secretion of the phytohormones cytokinin and auxin and/or proteinaceous effectors to stimulate cell division and growth in the host plant. We sequenced the metagenome of E. solidaginis and wEsol and assembled and annotated the genome of wEsol. The wEsol genome has an assembled length of 1.66 Mbp and contains 1878 protein-coding genes. The wEsol genome is replete with proteins encoded by mobile genetic elements and shows evidence of seven different prophages. We also detected evidence of multiple small insertions of wEsol genes into the genome of the host insect. Our characterization of the genome of wEsol indicates that it is compromised in the synthesis of dimethylallyl pyrophosphate (DMAPP) and S-adenosyl L-methionine (SAM), which are precursors required for the synthesis of cytokinins and methylthiolated cytokinins. wEsol is also incapable of synthesizing tryptophan, and its genome contains no enzymes in any of the known pathways for the synthesis of indole-3-acetic acid (IAA) from tryptophan. wEsol must steal DMAPP and L-methionine from its host and therefore is unlikely to provide cytokinin and auxin to its insect host for use in gall induction. Furthermore, in spite of its large repertoire of predicted Type IV secreted effector proteins, these effectors are more likely to contribute to the acquisition of nutrients and the manipulation of the host's cellular environment to contribute to growth and reproduction of wEsol than to aid E. solidaginis in manipulating its host plant. Combined with earlier work that shows that wEsol is absent from the salivary glands of E. solidaginis, our results suggest that wEsol does not contribute to gall induction by its host.</abstract><pub>MDPI AG</pub><doi>10.3390/ijms24119613</doi></addata></record> |
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| subjects | Analysis Cytokinins Genomes Genomics Organic acids Proteins Transposons |
| title | Genomic Assessment of the Contribution of the IWolbachia/I Endosymbiont of IEurosta solidaginis/I to Gall Induction |
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