{"id":"https://openalex.org/W2067717890","doi":"https://doi.org/10.1098/rspb.1949.0008","title":"A new method for the study of cell division and cell extension with some preliminary observations on the effect of temperature and of nutrients","display_name":"A new method for the study of cell division and cell extension with some preliminary observations on the effect of temperature and of nutrients","publication_year":1949,"publication_date":"1949-05-09","ids":{"openalex":"https://openalex.org/W2067717890","doi":"https://doi.org/10.1098/rspb.1949.0008","mag":"2067717890","pmid":"https://pubmed.ncbi.nlm.nih.gov/18130566"},"language":"en","primary_location":{"id":"doi:10.1098/rspb.1949.0008","doi":"https://doi.org/10.1098/rspb.1949.0008","is_oa":false,"landing_page_url":"https://doi.org/10.1098/rspb.1949.0008","pdf_url":null,"source":{"id":"https://openalex.org/S3006207977","display_name":"Proceedings of the Royal Society B Biological Sciences","issn_l":"0080-4649","issn":["0080-4649","0962-8452","1471-2954","2053-9193"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","jufo-3","ki-jl-2","medline","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319787","host_organization_name":"Royal Society","host_organization_lineage":["https://openalex.org/P4310319787"],"host_organization_lineage_names":["Royal Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Royal Society of London. Series B - Biological Sciences","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5111467022","display_name":"R. BROWN","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I130828816","display_name":"University of Leeds","ror":"https://ror.org/024mrxd33","country_code":"GB","type":"education","lineage":["https://openalex.org/I130828816"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Robert Brown","raw_affiliation_strings":["Google Scholar  Find this author on PubMed","Botany Department, The University, Leeds"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Google Scholar  Find this author on PubMed","institution_ids":[]},{"raw_affiliation_string":"Botany Department, The University, Leeds","institution_ids":["https://openalex.org/I130828816"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5095777743","display_name":"P. Rickless","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I130828816","display_name":"University of Leeds","ror":"https://ror.org/024mrxd33","country_code":"GB","type":"education","lineage":["https://openalex.org/I130828816"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"P. Rickless","raw_affiliation_strings":["Botany Department, The University, Leeds"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Botany Department, The University, Leeds","institution_ids":["https://openalex.org/I130828816"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I130828816"],"apc_list":null,"apc_paid":null,"fwci":10.5602,"has_fulltext":false,"cited_by_count":219,"citation_normalized_percentile":{"value":0.97949244,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":96},"biblio":{"volume":"136","issue":"882","first_page":"110","last_page":"125"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10240","display_name":"Plant tissue culture and regeneration","score":0.6234999895095825,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant 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"}},"topics":[{"id":"https://openalex.org/T10240","display_name":"Plant tissue culture and regeneration","score":0.6234999895095825,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant 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"}},{"id":"https://openalex.org/T11247","display_name":"Plant nutrient uptake and metabolism","score":0.3005000054836273,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant 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"}},{"id":"https://openalex.org/T10184","display_name":"Plant Molecular Biology Research","score":0.06159999966621399,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant 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/root-meristem","display_name":"root meristem","score":0.7429999709129333},{"id":"https://openalex.org/keywords/cell-division-rate","display_name":"cell division rate","score":0.925000011920929},{"id":"https://openalex.org/keywords/cell-extension","display_name":"cell extension","score":0.8379999995231628},{"id":"https://openalex.org/keywords/root-tip-culture","display_name":"root tip culture","score":0.7210000157356262},{"id":"https://openalex.org/keywords/temperature-effects","display_name":"temperature effects","score":0.6700000166893005},{"id":"https://openalex.org/keywords/nutrient-medium","display_name":"nutrient media","score":0.875},{"id":"https://openalex.org/keywords/yeast-extract","display_name":"yeast extract","score":0.8130000233650208},{"id":"https://openalex.org/keywords/inorganic-salts","display_name":"inorganic salts","score":0.9700000286102295},{"id":"https://openalex.org/keywords/mineral-deficiency","display_name":"mineral deficiency","score":0.6299999952316284},{"id":"https://openalex.org/keywords/maceration","display_name":"maceration","score":0.4259999990463257},{"id":"https://openalex.org/keywords/protein-synthesis","display_name":"protein synthesis","score":0.5870000123977661},{"id":"https://openalex.org/keywords/carbohydrate-degradation","display_name":"carbohydrate degradation","score":0.8709999918937683}],"concepts":[{"id":"https://openalex.org/C126021549","wikidata":"https://www.wikidata.org/wiki/Q207604","display_name":"Meristem","level":3,"score":0.8054763078689575},{"id":"https://openalex.org/C85813293","wikidata":"https://www.wikidata.org/wiki/Q188909","display_name":"Cell division","level":3,"score":0.7539576888084412},{"id":"https://openalex.org/C2777108408","wikidata":"https://www.wikidata.org/wiki/Q11002","display_name":"Sugar","level":2,"score":0.7267162203788757},{"id":"https://openalex.org/C60798267","wikidata":"https://www.wikidata.org/wiki/Q1226939","display_name":"Division (mathematics)","level":2,"score":0.7071617841720581},{"id":"https://openalex.org/C142796444","wikidata":"https://www.wikidata.org/wiki/Q181394","display_name":"Nutrient","level":2,"score":0.6168459057807922},{"id":"https://openalex.org/C2779222958","wikidata":"https://www.wikidata.org/wiki/Q45422","display_name":"Yeast","level":2,"score":0.569155216217041},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.4765256643295288},{"id":"https://openalex.org/C2778029271","wikidata":"https://www.wikidata.org/wiki/Q5421931","display_name":"Extension (predicate logic)","level":2,"score":0.4680684804916382},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.4395575225353241},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.3566840887069702},{"id":"https://openalex.org/C1491633281","wikidata":"https://www.wikidata.org/wiki/Q7868","display_name":"Cell","level":2,"score":0.32614296674728394},{"id":"https://openalex.org/C144027150","wikidata":"https://www.wikidata.org/wiki/Q48803","display_name":"Horticulture","level":1,"score":0.32274067401885986},{"id":"https://openalex.org/C31903555","wikidata":"https://www.wikidata.org/wiki/Q1637030","display_name":"Food science","level":1,"score":0.2827291190624237},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.2785940170288086},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.20871487259864807},{"id":"https://openalex.org/C21410773","wikidata":"https://www.wikidata.org/wiki/Q220869","display_name":"Shoot","level":2,"score":0.14432787895202637},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","level":1,"score":0.07574224472045898},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.06589329242706299},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.0}],"mesh":[{"descriptor_ui":"D002455","descriptor_name":"Cell Division","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D013696","descriptor_name":"Temperature","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true}],"locations_count":2,"locations":[{"id":"doi:10.1098/rspb.1949.0008","doi":"https://doi.org/10.1098/rspb.1949.0008","is_oa":false,"landing_page_url":"https://doi.org/10.1098/rspb.1949.0008","pdf_url":null,"source":{"id":"https://openalex.org/S3006207977","display_name":"Proceedings of the Royal Society B Biological Sciences","issn_l":"0080-4649","issn":["0080-4649","0962-8452","1471-2954","2053-9193"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","jufo-3","ki-jl-2","medline","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319787","host_organization_name":"Royal Society","host_organization_lineage":["https://openalex.org/P4310319787"],"host_organization_lineage_names":["Royal Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Royal Society of London. Series B - Biological Sciences","raw_type":"journal-article"},{"id":"pmid:18130566","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/18130566","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Royal Society of London. Series B, Biological sciences","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Zero hunger","id":"https://metadata.un.org/sdg/2","score":0.40450000762939453}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":3,"referenced_works":["https://openalex.org/W1776633707","https://openalex.org/W2069193316","https://openalex.org/W2510341076"],"related_works":["https://openalex.org/W2066463473","https://openalex.org/W2401370067","https://openalex.org/W2099298728","https://openalex.org/W2415545615","https://openalex.org/W2344323886","https://openalex.org/W2107296031","https://openalex.org/W2056056238","https://openalex.org/W2018392419","https://openalex.org/W2145153830","https://openalex.org/W1978184254"],"abstract_inverted_index":{"Abstract":[0],"A":[1],"novel":[2],"technique":[3],"for":[4],"determining":[5,33],"the":[6,9,23,34,82,86,93,122,127,138,151,173,178,191,206,217,231,234,243,253],"total":[7,84],"and":[8,31,60,78,92,108,126,140,177,185,193,248,270],"meristematic":[10,88],"number":[11,36,89],"of":[12,29,37,65,75,90,96,106,110,124,129,153,175,205,209,219,236,239,245,262,268,271],"cells":[13,38,235],"in":[14,25,39,50,121,172,190,196,228,233,250],"a":[15,26,43,260,266],"root":[16,98],"meristem":[17],"is":[18,115,131,155,181,224],"described;":[19],"it":[20],"involves":[21],"macerating":[22],"tissue":[24],"known":[27],"volume":[28],"fluid,":[30],"subsequently":[32],"appropriate":[35],"an":[40],"aliquot":[41],"on":[42,52,259],"haemacytometer":[44],"slide.":[45],"Root":[46],"tips":[47],"are":[48,68,99,112,211],"cultured":[49],"batches":[51],"sintered":[53],"glass":[54],"disks":[55],"with":[56,79,137,183,214],"different":[57],"nutrient":[58,150],"media":[59],"at":[61,73,157,160,164,167],"four":[62,66],"temperatures.":[63],"Samples":[64],"roots":[67],"taken":[69],"from":[70],"each":[71,80,97,149],"culture":[72],"intervals":[74],"12":[76],"hr.,":[77],"sample":[81],"average":[83,87,94],"number,":[85],"cells,":[91],"length":[95],"determined.":[100],"From":[101],"these":[102,197,229],"primary":[103],"data":[104],"rates":[105],"division":[107,119,130,154],"indices":[109],"extension":[111,170,180,252],"calculated.":[113],"It":[114,223],"shown":[116],"that":[117,227,249],"no":[118],"occurs":[120,171],"absence":[123,174],"sugar,":[125,139,176],"rate":[128,152,244],"increased":[132,143],"by":[133,144],"providing":[134],"inorganic":[135,186,273],"salts":[136],"still":[141],"further":[142],"supplying":[145],"yeast":[146],"extract.":[147],"With":[148],"higher":[156],"15\u00b0":[158],"than":[159,166],"25\u00b0C,":[161],"but":[162],"lower":[163],"5\u00b0":[165],"15\u00b0C.":[168],"No":[169],"greatest":[179],"given":[182],"sugar":[184,269],"salts.":[187,274],"Yeast":[188],"extract":[189],"form":[192],"concentration":[194],"used":[195],"experiments":[198,210,230],"tends":[199],"to":[200,256],"depress":[201],"extension.":[202],"The":[203],"results":[204],"main":[207],"body":[208],"discussed":[212],"along":[213],"others":[215],"showing":[216],"effects":[218],"single":[220],"mineral":[221],"deficiencies.":[222],"suggested":[225],"tentatively":[226],"level":[232],"certain":[237,272],"products":[238],"carbohydrate":[240],"degradation":[241],"determine":[242],"cell":[246,251],"division,":[247],"process":[254],"depends":[255],"some":[257],"extent":[258],"synthesis":[261],"protein":[263],"which":[264],"requires":[265],"supply":[267]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":2},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
