Application of Streptomyces pactum Act12 Enhances Drought Resistance in Wheat
The use of beneficial microbes to improve drought resistance in crops has great application potential in agricultural production, yet the effects of actinomycetes upon crop resistance to drought are rarely reported. Streptomyces pactum Act12 is a known multi-functional biocontrol agent of soil-borne...
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| Veröffentlicht in: | Journal of plant growth regulation 2020-03, Vol.39 (1), p.122-132 |
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| creator | Li, Haiyang Guo, Qiao Jing, Yuexi Liu, Zhe Zheng, Zehao Sun, Yifan Xue, Quanhong Lai, Hangxian |
| description | The use of beneficial microbes to improve drought resistance in crops has great application potential in agricultural production, yet the effects of actinomycetes upon crop resistance to drought are rarely reported.
Streptomyces pactum
Act12 is a known multi-functional biocontrol agent of soil-borne diseases in several horticultural crops and medicinal plants. Here, we systematically analyzed how Act12 treatment affects drought resistance in drought-sensitive wheat (
Triticum aestivum
L.) cultivar Xinong 979 by considering both its effects and underlying mechanisms. After seed exposure to a cell-free culture filtrate of Act12, we measured several plant growth variables, osmotic adjustment and antioxidant capacity, cell membrane peroxidation, and drought resistance-related gene expression in wheat seedlings under drought stress conditions simulated by polyethylene glycol 6000. Results showed that, under drought stress, wheat seedling exposure to Act12 cell-free filtrate facilitated plant growth, with significant increases in shoot fresh weight (21.3%), shoot length (10.3%), and root length (13.6%). Act12 treatment also significantly increased total soluble sugar content in wheat leaves while decreasing their malondialdehyde content by 20.5%. Under non-drought conditions, Act12 treatment increased the content of both proline and glutathione in wheat leaves; however, both were lowered in Act12-treated plants compared with non-treated plants at 96 h of drought stress. Further analysis revealed that Act12 treatment increased the content of leaf abscisic acid and upregulated the expression levels of several drought resistance-related genes, such as
EXPA2
,
EXPA6
,
P5CS
, and
SnRK2
. These results suggest that application of
S. pactum
Act12 can enhance the osmotic adjustment and antioxidant capacity of plants via induction of abscisic acid accumulation and up-regulation of drought resistance-related gene expression, thereby mitigating drought stress impact in wheat. |
| doi_str_mv | 10.1007/s00344-019-09968-z |
| format | Article |
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Streptomyces pactum
Act12 is a known multi-functional biocontrol agent of soil-borne diseases in several horticultural crops and medicinal plants. Here, we systematically analyzed how Act12 treatment affects drought resistance in drought-sensitive wheat (
Triticum aestivum
L.) cultivar Xinong 979 by considering both its effects and underlying mechanisms. After seed exposure to a cell-free culture filtrate of Act12, we measured several plant growth variables, osmotic adjustment and antioxidant capacity, cell membrane peroxidation, and drought resistance-related gene expression in wheat seedlings under drought stress conditions simulated by polyethylene glycol 6000. Results showed that, under drought stress, wheat seedling exposure to Act12 cell-free filtrate facilitated plant growth, with significant increases in shoot fresh weight (21.3%), shoot length (10.3%), and root length (13.6%). Act12 treatment also significantly increased total soluble sugar content in wheat leaves while decreasing their malondialdehyde content by 20.5%. Under non-drought conditions, Act12 treatment increased the content of both proline and glutathione in wheat leaves; however, both were lowered in Act12-treated plants compared with non-treated plants at 96 h of drought stress. Further analysis revealed that Act12 treatment increased the content of leaf abscisic acid and upregulated the expression levels of several drought resistance-related genes, such as
EXPA2
,
EXPA6
,
P5CS
, and
SnRK2
. These results suggest that application of
S. pactum
Act12 can enhance the osmotic adjustment and antioxidant capacity of plants via induction of abscisic acid accumulation and up-regulation of drought resistance-related gene expression, thereby mitigating drought stress impact in wheat.</description><identifier>ISSN: 0721-7595</identifier><identifier>EISSN: 1435-8107</identifier><identifier>DOI: 10.1007/s00344-019-09968-z</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Abscisic acid ; Actinomycetes ; Agricultural production ; Agriculture ; Antioxidants ; Biological control ; Biomedical and Life Sciences ; Cell culture ; Cell membranes ; Crops ; Cultivars ; Drought ; Drought resistance ; Filtrate ; Gene expression ; Glutathione ; Herbal medicine ; Horticultural crops ; Leaves ; Life Sciences ; Malondialdehyde ; Medicinal plants ; Peroxidation ; Plant Anatomy/Development ; Plant growth ; Plant Physiology ; Plant Sciences ; Polyethylene glycol ; Proline ; Seedlings ; Soil-borne diseases ; Streptomyces pactum ; Sugar ; Wheat</subject><ispartof>Journal of plant growth regulation, 2020-03, Vol.39 (1), p.122-132</ispartof><rights>Springer Science+Business Media, LLC, part of Springer Nature 2019</rights><rights>Journal of Plant Growth Regulation is a copyright of Springer, (2019). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c319t-bfc9820e07de05a129b6ed81d30205c6f26f0bdf0321888a808ce21ceafac613</citedby><cites>FETCH-LOGICAL-c319t-bfc9820e07de05a129b6ed81d30205c6f26f0bdf0321888a808ce21ceafac613</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00344-019-09968-z$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00344-019-09968-z$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27922,27923,41486,42555,51317</link.rule.ids></links><search><creatorcontrib>Li, Haiyang</creatorcontrib><creatorcontrib>Guo, Qiao</creatorcontrib><creatorcontrib>Jing, Yuexi</creatorcontrib><creatorcontrib>Liu, Zhe</creatorcontrib><creatorcontrib>Zheng, Zehao</creatorcontrib><creatorcontrib>Sun, Yifan</creatorcontrib><creatorcontrib>Xue, Quanhong</creatorcontrib><creatorcontrib>Lai, Hangxian</creatorcontrib><title>Application of Streptomyces pactum Act12 Enhances Drought Resistance in Wheat</title><title>Journal of plant growth regulation</title><addtitle>J Plant Growth Regul</addtitle><description>The use of beneficial microbes to improve drought resistance in crops has great application potential in agricultural production, yet the effects of actinomycetes upon crop resistance to drought are rarely reported.
Streptomyces pactum
Act12 is a known multi-functional biocontrol agent of soil-borne diseases in several horticultural crops and medicinal plants. Here, we systematically analyzed how Act12 treatment affects drought resistance in drought-sensitive wheat (
Triticum aestivum
L.) cultivar Xinong 979 by considering both its effects and underlying mechanisms. After seed exposure to a cell-free culture filtrate of Act12, we measured several plant growth variables, osmotic adjustment and antioxidant capacity, cell membrane peroxidation, and drought resistance-related gene expression in wheat seedlings under drought stress conditions simulated by polyethylene glycol 6000. Results showed that, under drought stress, wheat seedling exposure to Act12 cell-free filtrate facilitated plant growth, with significant increases in shoot fresh weight (21.3%), shoot length (10.3%), and root length (13.6%). Act12 treatment also significantly increased total soluble sugar content in wheat leaves while decreasing their malondialdehyde content by 20.5%. Under non-drought conditions, Act12 treatment increased the content of both proline and glutathione in wheat leaves; however, both were lowered in Act12-treated plants compared with non-treated plants at 96 h of drought stress. Further analysis revealed that Act12 treatment increased the content of leaf abscisic acid and upregulated the expression levels of several drought resistance-related genes, such as
EXPA2
,
EXPA6
,
P5CS
, and
SnRK2
. These results suggest that application of
S. pactum
Act12 can enhance the osmotic adjustment and antioxidant capacity of plants via induction of abscisic acid accumulation and up-regulation of drought resistance-related gene expression, thereby mitigating drought stress impact in wheat.</description><subject>Abscisic acid</subject><subject>Actinomycetes</subject><subject>Agricultural production</subject><subject>Agriculture</subject><subject>Antioxidants</subject><subject>Biological control</subject><subject>Biomedical and Life Sciences</subject><subject>Cell culture</subject><subject>Cell membranes</subject><subject>Crops</subject><subject>Cultivars</subject><subject>Drought</subject><subject>Drought resistance</subject><subject>Filtrate</subject><subject>Gene expression</subject><subject>Glutathione</subject><subject>Herbal medicine</subject><subject>Horticultural crops</subject><subject>Leaves</subject><subject>Life Sciences</subject><subject>Malondialdehyde</subject><subject>Medicinal plants</subject><subject>Peroxidation</subject><subject>Plant Anatomy/Development</subject><subject>Plant growth</subject><subject>Plant Physiology</subject><subject>Plant Sciences</subject><subject>Polyethylene glycol</subject><subject>Proline</subject><subject>Seedlings</subject><subject>Soil-borne diseases</subject><subject>Streptomyces pactum</subject><subject>Sugar</subject><subject>Wheat</subject><issn>0721-7595</issn><issn>1435-8107</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp9kE9LAzEUxIMoWKtfwFPAc_S9pLubHEutf6AiaMFjSLNJu6XdXZPswX56t67gzdNjhpl58CPkGuEWAYq7CCAmEwaoGCiVS3Y4ISOciIxJhOKUjKDgyIpMZefkIsYtAPaiGJGXadvuKmtS1dS08fQ9BdemZv9lXaStsanb06lNyOm83pj66N6HpltvEn1zsYrp6NGqph8bZ9IlOfNmF93V7x2T5cN8OXtii9fH59l0waxAldjKWyU5OChKB5lBrla5KyWWAjhkNvc897AqPQiOUkojQVrH0Trjjc1RjMnNMNuG5rNzMelt04W6_6g55znPOAroU3xI2dDEGJzXbaj2JnxpBH2kpgdquqemf6jpQ18SQyn24Xrtwt_0P61vV2hwVA</recordid><startdate>20200301</startdate><enddate>20200301</enddate><creator>Li, Haiyang</creator><creator>Guo, Qiao</creator><creator>Jing, Yuexi</creator><creator>Liu, Zhe</creator><creator>Zheng, Zehao</creator><creator>Sun, Yifan</creator><creator>Xue, Quanhong</creator><creator>Lai, Hangxian</creator><general>Springer US</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7X2</scope><scope>7X7</scope><scope>7XB</scope><scope>8FE</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>LK8</scope><scope>M0K</scope><scope>M0S</scope><scope>M7P</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope></search><sort><creationdate>20200301</creationdate><title>Application of Streptomyces pactum Act12 Enhances Drought Resistance in Wheat</title><author>Li, Haiyang ; Guo, Qiao ; Jing, Yuexi ; Liu, Zhe ; Zheng, Zehao ; Sun, Yifan ; Xue, Quanhong ; Lai, Hangxian</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c319t-bfc9820e07de05a129b6ed81d30205c6f26f0bdf0321888a808ce21ceafac613</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Abscisic acid</topic><topic>Actinomycetes</topic><topic>Agricultural production</topic><topic>Agriculture</topic><topic>Antioxidants</topic><topic>Biological control</topic><topic>Biomedical and Life Sciences</topic><topic>Cell culture</topic><topic>Cell membranes</topic><topic>Crops</topic><topic>Cultivars</topic><topic>Drought</topic><topic>Drought resistance</topic><topic>Filtrate</topic><topic>Gene expression</topic><topic>Glutathione</topic><topic>Herbal medicine</topic><topic>Horticultural crops</topic><topic>Leaves</topic><topic>Life Sciences</topic><topic>Malondialdehyde</topic><topic>Medicinal plants</topic><topic>Peroxidation</topic><topic>Plant Anatomy/Development</topic><topic>Plant growth</topic><topic>Plant Physiology</topic><topic>Plant Sciences</topic><topic>Polyethylene glycol</topic><topic>Proline</topic><topic>Seedlings</topic><topic>Soil-borne diseases</topic><topic>Streptomyces pactum</topic><topic>Sugar</topic><topic>Wheat</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Haiyang</creatorcontrib><creatorcontrib>Guo, Qiao</creatorcontrib><creatorcontrib>Jing, Yuexi</creatorcontrib><creatorcontrib>Liu, Zhe</creatorcontrib><creatorcontrib>Zheng, Zehao</creatorcontrib><creatorcontrib>Sun, Yifan</creatorcontrib><creatorcontrib>Xue, Quanhong</creatorcontrib><creatorcontrib>Lai, Hangxian</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Agricultural Science Collection</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>ProQuest Biological Science Collection</collection><collection>Agricultural Science Database</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Biological Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><jtitle>Journal of plant growth regulation</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Haiyang</au><au>Guo, Qiao</au><au>Jing, Yuexi</au><au>Liu, Zhe</au><au>Zheng, Zehao</au><au>Sun, Yifan</au><au>Xue, Quanhong</au><au>Lai, Hangxian</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Application of Streptomyces pactum Act12 Enhances Drought Resistance in Wheat</atitle><jtitle>Journal of plant growth regulation</jtitle><stitle>J Plant Growth Regul</stitle><date>2020-03-01</date><risdate>2020</risdate><volume>39</volume><issue>1</issue><spage>122</spage><epage>132</epage><pages>122-132</pages><issn>0721-7595</issn><eissn>1435-8107</eissn><abstract>The use of beneficial microbes to improve drought resistance in crops has great application potential in agricultural production, yet the effects of actinomycetes upon crop resistance to drought are rarely reported.
Streptomyces pactum
Act12 is a known multi-functional biocontrol agent of soil-borne diseases in several horticultural crops and medicinal plants. Here, we systematically analyzed how Act12 treatment affects drought resistance in drought-sensitive wheat (
Triticum aestivum
L.) cultivar Xinong 979 by considering both its effects and underlying mechanisms. After seed exposure to a cell-free culture filtrate of Act12, we measured several plant growth variables, osmotic adjustment and antioxidant capacity, cell membrane peroxidation, and drought resistance-related gene expression in wheat seedlings under drought stress conditions simulated by polyethylene glycol 6000. Results showed that, under drought stress, wheat seedling exposure to Act12 cell-free filtrate facilitated plant growth, with significant increases in shoot fresh weight (21.3%), shoot length (10.3%), and root length (13.6%). Act12 treatment also significantly increased total soluble sugar content in wheat leaves while decreasing their malondialdehyde content by 20.5%. Under non-drought conditions, Act12 treatment increased the content of both proline and glutathione in wheat leaves; however, both were lowered in Act12-treated plants compared with non-treated plants at 96 h of drought stress. Further analysis revealed that Act12 treatment increased the content of leaf abscisic acid and upregulated the expression levels of several drought resistance-related genes, such as
EXPA2
,
EXPA6
,
P5CS
, and
SnRK2
. These results suggest that application of
S. pactum
Act12 can enhance the osmotic adjustment and antioxidant capacity of plants via induction of abscisic acid accumulation and up-regulation of drought resistance-related gene expression, thereby mitigating drought stress impact in wheat.</abstract><cop>New York</cop><pub>Springer US</pub><doi>10.1007/s00344-019-09968-z</doi><tpages>11</tpages></addata></record> |
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| subjects | Abscisic acid Actinomycetes Agricultural production Agriculture Antioxidants Biological control Biomedical and Life Sciences Cell culture Cell membranes Crops Cultivars Drought Drought resistance Filtrate Gene expression Glutathione Herbal medicine Horticultural crops Leaves Life Sciences Malondialdehyde Medicinal plants Peroxidation Plant Anatomy/Development Plant growth Plant Physiology Plant Sciences Polyethylene glycol Proline Seedlings Soil-borne diseases Streptomyces pactum Sugar Wheat |
| title | Application of Streptomyces pactum Act12 Enhances Drought Resistance in Wheat |
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