{"id":"https://openalex.org/W1985994001","doi":"https://doi.org/10.1046/j.1365-3032.2003.00316.x","title":"A role for ecdysteroids in the phase polymorphism of the desert locust","display_name":"A role for ecdysteroids in the phase polymorphism of the desert locust","publication_year":2003,"publication_date":"2003-03-01","ids":{"openalex":"https://openalex.org/W1985994001","doi":"https://doi.org/10.1046/j.1365-3032.2003.00316.x","mag":"1985994001"},"language":"en","primary_location":{"id":"doi:10.1046/j.1365-3032.2003.00316.x","doi":"https://doi.org/10.1046/j.1365-3032.2003.00316.x","is_oa":true,"landing_page_url":"https://doi.org/10.1046/j.1365-3032.2003.00316.x","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1046/j.1365-3032.2003.00316.x","source":{"id":"https://openalex.org/S100662317","display_name":"Physiological Entomology","issn_l":"0307-6962","issn":["0307-6962","1365-3032"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","norway-1","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Physiological Entomology","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1046/j.1365-3032.2003.00316.x","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5109701966","display_name":"Amer I. Tawfik","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I91041137","display_name":"Assiut University","ror":"https://ror.org/01jaj8n65","country_code":"EG","type":"education","lineage":["https://openalex.org/I91041137"]}],"countries":["EG"],"is_corresponding":true,"raw_author_name":"Amer I. Tawfik","raw_affiliation_strings":["Department of Zoology/Entomology, Faculty of Science, Assiut University, Assiut 71516, Egypt"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Zoology/Entomology, Faculty of Science, Assiut University, Assiut 71516, Egypt","institution_ids":["https://openalex.org/I91041137"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5070492646","display_name":"Franti\u0161ek Sehnal","orcid":"https://orcid.org/0000-0002-4983-3746","observed_orcids":["https://orcid.org/0000-0002-4983-3746"]},"institutions":[{"id":"https://openalex.org/I3124161356","display_name":"University of South Bohemia in \u010cesk\u00e9 Bud\u011bjovice","ror":"https://ror.org/033n3pw66","country_code":"CZ","type":"education","lineage":["https://openalex.org/I3124161356"]},{"id":"https://openalex.org/I4210122510","display_name":"Institute of Entomology","ror":"https://ror.org/039nazg33","country_code":"CZ","type":"facility","lineage":["https://openalex.org/I202391551","https://openalex.org/I4210122510","https://openalex.org/I4210164740"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Frantisek Sehnal","raw_affiliation_strings":["Institute of Entomology, Academy of Sciences, and Faculty of Biological Sciences, University of South Bohemia, Ceske Budejovice, Czech Republic"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Entomology, Academy of Sciences, and Faculty of Biological Sciences, University of South Bohemia, Ceske Budejovice, Czech Republic","institution_ids":["https://openalex.org/I3124161356","https://openalex.org/I4210122510"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5109701966"],"corresponding_institution_ids":["https://openalex.org/I91041137"],"apc_list":{"value":3920,"currency":"USD","value_usd":3920},"apc_paid":null,"fwci":0.2003,"has_fulltext":true,"cited_by_count":38,"citation_normalized_percentile":{"value":0.37756219,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":98},"biblio":{"volume":"28","issue":"1","first_page":"19","last_page":"24"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10423","display_name":"Neurobiology and Insect Physiology Research","score":0.5508000254631042,"subfield":{"id":"https://openalex.org/subfields/2804","display_name":"Cellular and Molecular Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T10423","display_name":"Neurobiology and Insect Physiology Research","score":0.5508000254631042,"subfield":{"id":"https://openalex.org/subfields/2804","display_name":"Cellular and Molecular Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T13269","display_name":"Orthoptera Research and Taxonomy","score":0.20090000331401825,"subfield":{"id":"https://openalex.org/subfields/1105","display_name":"Ecology, Evolution, Behavior and Systematics"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10702","display_name":"Insect and Arachnid Ecology and Behavior","score":0.09200000017881393,"subfield":{"id":"https://openalex.org/subfields/1109","display_name":"Insect Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/ecdysteroids","display_name":"ecdysteroids","score":0.953000009059906},{"id":"https://openalex.org/keywords/phase-polymorphism","display_name":"phase polymorphism","score":0.9259999990463257},{"id":"https://openalex.org/keywords/desert-locust","display_name":"Schistocerca gregaria","score":0.9990000128746033},{"id":"https://openalex.org/keywords/20-hydroxyecdysone","display_name":"20-hydroxyecdysone","score":0.9229999780654907},{"id":"https://openalex.org/keywords/makisterone-a","display_name":"makisterone A","score":0.7720000147819519}],"concepts":[{"id":"https://openalex.org/C2776905768","wikidata":"https://www.wikidata.org/wiki/Q138983","display_name":"Ecdysteroid","level":3,"score":0.9716862440109253},{"id":"https://openalex.org/C2779670156","wikidata":"https://www.wikidata.org/wiki/Q281634","display_name":"Desert locust","level":4,"score":0.9407044649124146},{"id":"https://openalex.org/C2781335186","wikidata":"https://www.wikidata.org/wiki/Q1313710","display_name":"Schistocerca","level":3,"score":0.9002330303192139},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.8721529245376587},{"id":"https://openalex.org/C100068826","wikidata":"https://www.wikidata.org/wiki/Q485675","display_name":"Hemolymph","level":2,"score":0.8461335301399231},{"id":"https://openalex.org/C47002013","wikidata":"https://www.wikidata.org/wiki/Q7251808","display_name":"Prothoracic gland","level":4,"score":0.7879709005355835},{"id":"https://openalex.org/C2777180181","wikidata":"https://www.wikidata.org/wiki/Q139085","display_name":"Ecdysone","level":3,"score":0.6581147909164429},{"id":"https://openalex.org/C2776041477","wikidata":"https://www.wikidata.org/wiki/Q83931","display_name":"Locust","level":2,"score":0.6328959465026855},{"id":"https://openalex.org/C32476901","wikidata":"https://www.wikidata.org/wiki/Q2179631","display_name":"Instar","level":3,"score":0.5466216206550598},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.5465070009231567},{"id":"https://openalex.org/C55969652","wikidata":"https://www.wikidata.org/wiki/Q259028","display_name":"photoperiodism","level":2,"score":0.5368856191635132},{"id":"https://openalex.org/C134018914","wikidata":"https://www.wikidata.org/wiki/Q162606","display_name":"Endocrinology","level":1,"score":0.5088434219360352},{"id":"https://openalex.org/C173758957","wikidata":"https://www.wikidata.org/wiki/Q129270","display_name":"Larva","level":2,"score":0.45347243547439575},{"id":"https://openalex.org/C90856448","wikidata":"https://www.wikidata.org/wiki/Q431","display_name":"Zoology","level":1,"score":0.42304760217666626},{"id":"https://openalex.org/C71315377","wikidata":"https://www.wikidata.org/wiki/Q11364","display_name":"Hormone","level":2,"score":0.2320476770401001},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.19573169946670532},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.16162946820259094},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1046/j.1365-3032.2003.00316.x","doi":"https://doi.org/10.1046/j.1365-3032.2003.00316.x","is_oa":true,"landing_page_url":"https://doi.org/10.1046/j.1365-3032.2003.00316.x","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1046/j.1365-3032.2003.00316.x","source":{"id":"https://openalex.org/S100662317","display_name":"Physiological Entomology","issn_l":"0307-6962","issn":["0307-6962","1365-3032"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","norway-1","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Physiological Entomology","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1046/j.1365-3032.2003.00316.x","doi":"https://doi.org/10.1046/j.1365-3032.2003.00316.x","is_oa":true,"landing_page_url":"https://doi.org/10.1046/j.1365-3032.2003.00316.x","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1046/j.1365-3032.2003.00316.x","source":{"id":"https://openalex.org/S100662317","display_name":"Physiological Entomology","issn_l":"0307-6962","issn":["0307-6962","1365-3032"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","norway-1","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Physiological Entomology","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1985994001.pdf","grobid_xml":"https://content.openalex.org/works/W1985994001.grobid-xml"},"referenced_works_count":51,"referenced_works":["https://openalex.org/W28303772","https://openalex.org/W40859807","https://openalex.org/W82297159","https://openalex.org/W141880466","https://openalex.org/W591808928","https://openalex.org/W626930661","https://openalex.org/W1965968289","https://openalex.org/W1968620329","https://openalex.org/W1970538164","https://openalex.org/W1974812905","https://openalex.org/W1978407017","https://openalex.org/W1983615474","https://openalex.org/W1984359161","https://openalex.org/W1988858720","https://openalex.org/W1995732329","https://openalex.org/W1997884812","https://openalex.org/W1998366762","https://openalex.org/W2004833801","https://openalex.org/W2008310265","https://openalex.org/W2014952260","https://openalex.org/W2018041660","https://openalex.org/W2019289446","https://openalex.org/W2023134340","https://openalex.org/W2035757166","https://openalex.org/W2037724732","https://openalex.org/W2039450208","https://openalex.org/W2039698279","https://openalex.org/W2049941006","https://openalex.org/W2054777187","https://openalex.org/W2058442564","https://openalex.org/W2058987597","https://openalex.org/W2060859941","https://openalex.org/W2062731254","https://openalex.org/W2064072191","https://openalex.org/W2067172471","https://openalex.org/W2068663066","https://openalex.org/W2072189882","https://openalex.org/W2078391268","https://openalex.org/W2081133744","https://openalex.org/W2085701052","https://openalex.org/W2088316597","https://openalex.org/W2091639610","https://openalex.org/W2110443797","https://openalex.org/W2115663505","https://openalex.org/W2325197218","https://openalex.org/W2326588625","https://openalex.org/W2518129434","https://openalex.org/W2554133847","https://openalex.org/W4251268905","https://openalex.org/W4285719527","https://openalex.org/W4302589920"],"related_works":["https://openalex.org/W7100262213","https://openalex.org/W2134322127","https://openalex.org/W2004833801","https://openalex.org/W7163328148","https://openalex.org/W2019289446","https://openalex.org/W2139008602","https://openalex.org/W1974812905","https://openalex.org/W3144502045","https://openalex.org/W3031736784","https://openalex.org/W1983615474"],"abstract_inverted_index":{"Abstract.":[0],"Locusts":[1],"show":[2],"density\u2010dependent":[3],"continuous":[4,21],"phase":[5,190,205,219,222],"polymorphism;":[6],"they":[7,85],"appear":[8],"in":[9,40,45,60,82,103,113,149,172,177,180,194,210,223,228,237,245,249,278,292,295],"two":[10,118],"forms":[11],"or":[12],"phases,":[13],"gregarious":[14,201,247,274,293],"and":[15,17,72,106,124,140,156,240,255,269,273],"solitary,":[16],"there":[18,34],"is":[19],"a":[20],"range":[22],"of":[23,43,48,63,67,89,95,99,117,134,152,166,170,187,199,208,235,261,284],"intermediates":[24],"between":[25,267],"the":[26,41,46,61,64,96,114,132,135,150,157,173,188,195,200,204,211,232,246,250,259,264,282],"extreme":[27],"phases.":[28],"Although":[29],"earlier":[30],"studies":[31,55],"showed":[32,56],"that":[33],"are":[35],"no":[36],"major":[37,93],"phase\u2010dependent":[38,147],"differences":[39,59,110,148],"titres":[42,76,169,207],"ecdysteroid":[44,100,171,209,285],"haemolymph":[47,97,174,196],"desert":[49],"locusts,":[50],"Schistocerca":[51],"gregaria":[52,130],",":[53],"recent":[54],"some":[57,257],"minor":[58,119],"timing":[62],"main":[65],"peak":[66,75,98],"ecdysteroids.":[68,167],"In":[69,128,230,276],"crowded":[70,107,181],"penultimate\u2010":[71],"last\u2010instar":[73],"hoppers,":[74,108],"were":[77,86,111,154,175,263],"lower":[78],"but":[79,88,109,146],"longer\u2010lasting,":[80],"whereas":[81],"isolated":[83,105,178],"hoppers":[84],"higher":[87,176,244,291],"shorter":[90],"duration.":[91],"The":[92,253],"component":[94],"was":[101,138,242,286],"20\u2010hydroxyecdysone":[102],"both":[104,238],"found":[112],"relative":[115],"amounts":[116,165],"components":[120],"(makisterone":[121],"A\u2010like":[122],"compound":[123],"highly":[125],"polar":[126],"products).":[127],"S.":[129],"adults,":[131],"regression":[133,153],"prothoracic":[136],"glands":[137,159],"irregular":[139],"subject":[141],"to":[142,184,220,225,256],"high":[143],"individual":[144],"variations,":[145],"rate":[151],"significant,":[155],"adult":[158,212],"did":[160],"not":[161],"produce":[162],"physiologically":[163],"significant":[164],"Peak":[168],"than":[179,197,248,288,294],"adults.":[182],"Similar":[183],"larvae,":[185,281],"adults":[186],"solitary":[189,251,272,296],"contain":[191],"more":[192,287],"ecdysone":[193],"those":[198],"phase.":[202,252,297],"Moreover,":[203],"characteristic":[206],"stage":[213],"can":[214],"be":[215],"shifted":[216],"from":[217,271],"one":[218],"another":[221],"response":[224],"appropriate":[226],"changes":[227],"density.":[229],"contrast,":[231],"maximum":[233],"amount":[234,283],"ecdysteroids":[236],"ovaries":[239,268],"eggs":[241,270],"significantly":[243],"amounts,":[254],"extent":[258],"types":[260],"ecdysteroids,":[262],"only":[265],"difference":[266],"locusts.":[275],"addition,":[277],"newly":[279],"hatched":[280],"five":[289],"times":[290]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":5},{"year":2017,"cited_by_count":3},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}