Environmental signalling during induction of appressorium formation in Phytophthora
Appressorium formation in vitro by Phytophthora palmivora started after about 1 h of incubation of zoospores in an aqueous solution and was influenced by topographical signals, substrate hydrophobicity and available nutrients. Free floating, non-adhering germlings did not form appressoria. On smooth...
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| Veröffentlicht in: | Mycological research 1997-04, Vol.101 (4), p.395-402 |
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| creator | BIRCHER, URS HOHL, HANS R. |
| description | Appressorium formation in vitro by Phytophthora palmivora
started after about 1 h of incubation of zoospores in an aqueous
solution and was influenced by topographical signals, substrate hydrophobicity
and available nutrients. Free floating, non-adhering
germlings did not form appressoria. On smooth substrates, no appressoria
were
formed under high nutrient conditions (20% pea
broth) independent of the hydrophobicity of the contact surface, while
under
low nutrient conditions (5% pea broth) appressoria
formed on smooth substrates with hydrophobic, but not on smooth substrates
with
hydrophilic, surfaces. If the same substrates were
scratched, appressoria formed over these scratches independent of levels
of
exogenous nutrients and substrate hydrophobicity. These
findings are summarized in a model of signalling for appressorium induction. |
| doi_str_mv | 10.1017/S0953756296002730 |
| format | Article |
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started after about 1 h of incubation of zoospores in an aqueous
solution and was influenced by topographical signals, substrate hydrophobicity
and available nutrients. Free floating, non-adhering
germlings did not form appressoria. On smooth substrates, no appressoria
were
formed under high nutrient conditions (20% pea
broth) independent of the hydrophobicity of the contact surface, while
under
low nutrient conditions (5% pea broth) appressoria
formed on smooth substrates with hydrophobic, but not on smooth substrates
with
hydrophilic, surfaces. If the same substrates were
scratched, appressoria formed over these scratches independent of levels
of
exogenous nutrients and substrate hydrophobicity. These
findings are summarized in a model of signalling for appressorium induction.</description><identifier>ISSN: 0953-7562</identifier><identifier>EISSN: 1469-8102</identifier><identifier>DOI: 10.1017/S0953756296002730</identifier><language>eng</language><publisher>Oxford: Cambridge University Press</publisher><subject>Biological and medical sciences ; Fundamental and applied biological sciences. Psychology ; Fungal plant pathogens ; Pathology, epidemiology, host-fungus relationships. Damages, economic importance ; Phytopathology. Animal pests. Plant and forest protection</subject><ispartof>Mycological research, 1997-04, Vol.101 (4), p.395-402</ispartof><rights>The British Mycological Society 1997</rights><rights>1997 British Mycological Society</rights><rights>1997 INIST-CNRS</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c399t-37f1141fc779a98cc60b25d82889c32eb73f1b56fe25030c3c46e1b37518271d3</citedby><cites>FETCH-LOGICAL-c399t-37f1141fc779a98cc60b25d82889c32eb73f1b56fe25030c3c46e1b37518271d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=2704275$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>BIRCHER, URS</creatorcontrib><creatorcontrib>HOHL, HANS R.</creatorcontrib><title>Environmental signalling during induction of appressorium formation in Phytophthora</title><title>Mycological research</title><addtitle>Mycol. Res</addtitle><description>Appressorium formation in vitro by Phytophthora palmivora
started after about 1 h of incubation of zoospores in an aqueous
solution and was influenced by topographical signals, substrate hydrophobicity
and available nutrients. Free floating, non-adhering
germlings did not form appressoria. On smooth substrates, no appressoria
were
formed under high nutrient conditions (20% pea
broth) independent of the hydrophobicity of the contact surface, while
under
low nutrient conditions (5% pea broth) appressoria
formed on smooth substrates with hydrophobic, but not on smooth substrates
with
hydrophilic, surfaces. If the same substrates were
scratched, appressoria formed over these scratches independent of levels
of
exogenous nutrients and substrate hydrophobicity. These
findings are summarized in a model of signalling for appressorium induction.</description><subject>Biological and medical sciences</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Fungal plant pathogens</subject><subject>Pathology, epidemiology, host-fungus relationships. Damages, economic importance</subject><subject>Phytopathology. Animal pests. Plant and forest protection</subject><issn>0953-7562</issn><issn>1469-8102</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1997</creationdate><recordtype>article</recordtype><recordid>eNp9Uc9LwzAUDqLgnP4B3noQb9W8ZG0aPMnwFwwUpueQpsmW0SY1aQf7723d8CLs9A7fj_e-7yF0DfgOMLD7JeYZZVlOeI4xYRSfoAnMcp4WgMkpmoxwOuLn6CLGDcZAAegELZ_c1gbvGu06WSfRrpysa-tWSdWHcVhX9aqz3iXeJLJtg47RB9s3ifGhkb-IdcnHetf5dt2tfZCX6MzIOuqrw5yir-enz_lrunh_eZs_LlJFOe9SygzADIxijEteKJXjkmRVQYqCK0p0yaiBMsuNJhmmWFE1yzWUQ0ooCIOKTtHt3rcN_rvXsRONjUrXtXTa91FATgqSYzIQYU9UwccYtBFtsI0MOwFYjPWJf_UNmpuDuYxK1iZIp2z8ExKGZ4RlA-1hT9ND0K3VQURltVO6skGrTlTeHl1CD4fJpgy2Wmmx8X0YXhCPqH4A3M-R5g</recordid><startdate>19970401</startdate><enddate>19970401</enddate><creator>BIRCHER, URS</creator><creator>HOHL, HANS R.</creator><general>Cambridge University Press</general><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>M7N</scope></search><sort><creationdate>19970401</creationdate><title>Environmental signalling during induction of appressorium formation in Phytophthora</title><author>BIRCHER, URS ; HOHL, HANS R.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c399t-37f1141fc779a98cc60b25d82889c32eb73f1b56fe25030c3c46e1b37518271d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1997</creationdate><topic>Biological and medical sciences</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Fungal plant pathogens</topic><topic>Pathology, epidemiology, host-fungus relationships. Damages, economic importance</topic><topic>Phytopathology. Animal pests. Plant and forest protection</topic><toplevel>online_resources</toplevel><creatorcontrib>BIRCHER, URS</creatorcontrib><creatorcontrib>HOHL, HANS R.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><jtitle>Mycological research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>BIRCHER, URS</au><au>HOHL, HANS R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Environmental signalling during induction of appressorium formation in Phytophthora</atitle><jtitle>Mycological research</jtitle><addtitle>Mycol. Res</addtitle><date>1997-04-01</date><risdate>1997</risdate><volume>101</volume><issue>4</issue><spage>395</spage><epage>402</epage><pages>395-402</pages><issn>0953-7562</issn><eissn>1469-8102</eissn><abstract>Appressorium formation in vitro by Phytophthora palmivora
started after about 1 h of incubation of zoospores in an aqueous
solution and was influenced by topographical signals, substrate hydrophobicity
and available nutrients. Free floating, non-adhering
germlings did not form appressoria. On smooth substrates, no appressoria
were
formed under high nutrient conditions (20% pea
broth) independent of the hydrophobicity of the contact surface, while
under
low nutrient conditions (5% pea broth) appressoria
formed on smooth substrates with hydrophobic, but not on smooth substrates
with
hydrophilic, surfaces. If the same substrates were
scratched, appressoria formed over these scratches independent of levels
of
exogenous nutrients and substrate hydrophobicity. These
findings are summarized in a model of signalling for appressorium induction.</abstract><cop>Oxford</cop><pub>Cambridge University Press</pub><doi>10.1017/S0953756296002730</doi><tpages>8</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0953-7562 |
| ispartof | Mycological research, 1997-04, Vol.101 (4), p.395-402 |
| issn | 0953-7562 1469-8102 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_16282602 |
| source | Alma/SFX Local Collection |
| subjects | Biological and medical sciences Fundamental and applied biological sciences. Psychology Fungal plant pathogens Pathology, epidemiology, host-fungus relationships. Damages, economic importance Phytopathology. Animal pests. Plant and forest protection |
| title | Environmental signalling during induction of appressorium formation in Phytophthora |
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