{"id":"https://openalex.org/W2124174137","doi":"https://doi.org/10.1093/jxb/48.special_issue.481","title":"Multiple inward channels provide flexibility in Na+/K+ discrimination at the plasma membrane of barley suspension culture cells","display_name":"Multiple inward channels provide flexibility in Na+/K+ discrimination at the plasma membrane of barley suspension culture cells","publication_year":1997,"publication_date":"1997-03-01","ids":{"openalex":"https://openalex.org/W2124174137","doi":"https://doi.org/10.1093/jxb/48.special_issue.481","mag":"2124174137","pmid":"https://pubmed.ncbi.nlm.nih.gov/21245226"},"language":"en","primary_location":{"id":"doi:10.1093/jxb/48.special_issue.481","doi":"https://doi.org/10.1093/jxb/48.special_issue.481","is_oa":false,"landing_page_url":"https://doi.org/10.1093/jxb/48.special_issue.481","pdf_url":null,"source":{"id":"https://openalex.org/S32610980","display_name":"Journal of Experimental Botany","issn_l":"0022-0957","issn":["0022-0957","1460-2431"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","jufo-2","ki-jl-2","medline","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Experimental Botany","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/A5090088541","display_name":"Anna Amtmann","orcid":"https://orcid.org/0000-0001-8533-121X","observed_orcids":["https://orcid.org/0000-0001-8533-121X"]},"institutions":[{"id":"https://openalex.org/I52099693","display_name":"University of York","ror":"https://ror.org/04m01e293","country_code":"GB","type":"education","lineage":["https://openalex.org/I52099693"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"A. Amtmann","raw_affiliation_strings":["Biology Department, University of York, PO Box 373, York YO1 5YW, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Biology Department, University of York, PO Box 373, York YO1 5YW, UK","institution_ids":["https://openalex.org/I52099693"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5080513731","display_name":"Sophie Laurie","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I2799553609","display_name":"Rothamsted Research","ror":"https://ror.org/0347fy350","country_code":"GB","type":"facility","lineage":["https://openalex.org/I2799553609","https://openalex.org/I2799693246","https://openalex.org/I4210087105"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"S. Laurie","raw_affiliation_strings":["Biochemistry and Physiology Department, Rothamsted Experimental Station, Harpenden, Hertfordshire AL5 2JQ, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Biochemistry and Physiology Department, Rothamsted Experimental Station, Harpenden, Hertfordshire AL5 2JQ, UK","institution_ids":["https://openalex.org/I2799553609"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076090795","display_name":"R. A. Leigh","orcid":"https://orcid.org/0000-0003-2004-6965","observed_orcids":["https://orcid.org/0000-0003-2004-6965"]},"institutions":[{"id":"https://openalex.org/I2799553609","display_name":"Rothamsted Research","ror":"https://ror.org/0347fy350","country_code":"GB","type":"facility","lineage":["https://openalex.org/I2799553609","https://openalex.org/I2799693246","https://openalex.org/I4210087105"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"R. Leigh","raw_affiliation_strings":["Biochemistry and Physiology Department, Rothamsted Experimental Station, Harpenden, Hertfordshire AL5 2JQ, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Biochemistry and Physiology Department, Rothamsted Experimental Station, Harpenden, Hertfordshire AL5 2JQ, UK","institution_ids":["https://openalex.org/I2799553609"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5042482500","display_name":"Dale Sanders","orcid":"https://orcid.org/0000-0002-1452-9808","observed_orcids":["https://orcid.org/0000-0002-1452-9808"]},"institutions":[{"id":"https://openalex.org/I52099693","display_name":"University of York","ror":"https://ror.org/04m01e293","country_code":"GB","type":"education","lineage":["https://openalex.org/I52099693"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"D. Sanders","raw_affiliation_strings":["Biology Department, University of York, PO Box 373, York YO1 5YW, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Biology Department, University of York, PO Box 373, York YO1 5YW, UK","institution_ids":["https://openalex.org/I52099693"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":3292,"currency":"GBP","value_usd":4341},"apc_paid":null,"fwci":1.6868,"has_fulltext":false,"cited_by_count":71,"citation_normalized_percentile":{"value":0.84588655,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"48","issue":"Special","first_page":"481","last_page":"497"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10493","display_name":"Ion channel regulation and function","score":0.8349999785423279,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T10493","display_name":"Ion channel regulation and function","score":0.8349999785423279,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10724","display_name":"Ion Transport and Channel Regulation","score":0.0746999979019165,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11247","display_name":"Plant nutrient uptake and metabolism","score":0.03620000183582306,"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/plasma-membrane-ion-channels","display_name":"plasma membrane ion channels","score":0.7979999780654907},{"id":"https://openalex.org/keywords/potassium-selectivity","display_name":"potassium selectivity","score":0.5099999904632568},{"id":"https://openalex.org/keywords/sodium-selectivity","display_name":"sodium selectivity","score":0.6970000267028809},{"id":"https://openalex.org/keywords/voltage-gated-potassium-channels","display_name":"voltage-gated potassium channels","score":0.8799999952316284},{"id":"https://openalex.org/keywords/single-channel-conductance","display_name":"single-channel conductance","score":0.5550000071525574},{"id":"https://openalex.org/keywords/ion-selectivity","display_name":"ion selectivity","score":0.3569999933242798},{"id":"https://openalex.org/keywords/membrane-hyperpolarization","display_name":"membrane hyperpolarization","score":0.6690000295639038},{"id":"https://openalex.org/keywords/ion-transport","display_name":"ion transport","score":0.3720000088214874},{"id":"https://openalex.org/keywords/reversal-potential","display_name":"reversal potential","score":0.42500001192092896}],"concepts":[{"id":"https://openalex.org/C2778071365","wikidata":"https://www.wikidata.org/wiki/Q3089249","display_name":"Reversal potential","level":4,"score":0.6713258028030396},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.6466735601425171},{"id":"https://openalex.org/C181911157","wikidata":"https://www.wikidata.org/wiki/Q389844","display_name":"Membrane potential","level":2,"score":0.6305005550384521},{"id":"https://openalex.org/C131453863","wikidata":"https://www.wikidata.org/wiki/Q1641079","display_name":"Hyperpolarization (physics)","level":3,"score":0.6213001608848572},{"id":"https://openalex.org/C147944092","wikidata":"https://www.wikidata.org/wiki/Q176366","display_name":"Patch clamp","level":3,"score":0.572774350643158},{"id":"https://openalex.org/C12554922","wikidata":"https://www.wikidata.org/wiki/Q7100","display_name":"Biophysics","level":1,"score":0.5609405040740967},{"id":"https://openalex.org/C50254741","wikidata":"https://www.wikidata.org/wiki/Q62536","display_name":"Ion channel","level":3,"score":0.5213029384613037},{"id":"https://openalex.org/C41625074","wikidata":"https://www.wikidata.org/wiki/Q176088","display_name":"Membrane","level":2,"score":0.4906998872756958},{"id":"https://openalex.org/C145148216","wikidata":"https://www.wikidata.org/wiki/Q36496","display_name":"Ion","level":2,"score":0.48844853043556213},{"id":"https://openalex.org/C106827334","wikidata":"https://www.wikidata.org/wiki/Q672821","display_name":"Molar concentration","level":2,"score":0.47261643409729004},{"id":"https://openalex.org/C113196181","wikidata":"https://www.wikidata.org/wiki/Q485223","display_name":"Analytical Chemistry (journal)","level":2,"score":0.4503645896911621},{"id":"https://openalex.org/C99975950","wikidata":"https://www.wikidata.org/wiki/Q911011","display_name":"Ion transporter","level":3,"score":0.4427230954170227},{"id":"https://openalex.org/C517785266","wikidata":"https://www.wikidata.org/wiki/Q703","display_name":"Potassium","level":2,"score":0.42292889952659607},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.2124866247177124},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.20948484539985657},{"id":"https://openalex.org/C71240020","wikidata":"https://www.wikidata.org/wiki/Q186011","display_name":"Stereochemistry","level":1,"score":0.164870947599411},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.13624009490013123},{"id":"https://openalex.org/C170493617","wikidata":"https://www.wikidata.org/wiki/Q208467","display_name":"Receptor","level":2,"score":0.0},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0},{"id":"https://openalex.org/C66974803","wikidata":"https://www.wikidata.org/wiki/Q10359898","display_name":"Nuclear magnetic resonance spectroscopy","level":2,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.1093/jxb/48.special_issue.481","doi":"https://doi.org/10.1093/jxb/48.special_issue.481","is_oa":false,"landing_page_url":"https://doi.org/10.1093/jxb/48.special_issue.481","pdf_url":null,"source":{"id":"https://openalex.org/S32610980","display_name":"Journal of Experimental Botany","issn_l":"0022-0957","issn":["0022-0957","1460-2431"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","jufo-2","ki-jl-2","medline","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Experimental Botany","raw_type":"journal-article"},{"id":"pmid:21245226","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/21245226","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":"Journal of experimental botany","raw_type":"Journal Article"},{"id":"pmh:oai:open-archive.highwire.org:jexbot:48/suppl_1/481","doi":null,"is_oa":false,"landing_page_url":"http://jxb.oxfordjournals.org/cgi/content/short/48/suppl_1/481","pdf_url":null,"source":{"id":"https://openalex.org/S4406923041","display_name":"HighWire Press Open Archive","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"TEXT"},{"id":"pmh:oai:repository.rothamsted.ac.uk:8659","doi":null,"is_oa":false,"landing_page_url":"https://repository.rothamsted.ac.uk/id/eprint/8659/","pdf_url":null,"source":{"id":"https://openalex.org/S4306402645","display_name":"Rothamsted Repository (Rothamsted Repository)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I2799553609","host_organization_name":"Rothamsted Research","host_organization_lineage":["https://openalex.org/I2799553609"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Article"},{"id":"pmh:oai:repository.rothamsted.ac.uk:87989","doi":null,"is_oa":false,"landing_page_url":"https://repository.rothamsted.ac.uk/item/87989/multiple-inward-channels-provide-flexibility-in-na-k-discrimination-at-the-plasma-membrane-of-barley-suspension-culture-cells","pdf_url":null,"source":{"id":"https://openalex.org/S4306402645","display_name":"Rothamsted Repository (Rothamsted Repository)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I2799553609","host_organization_name":"Rothamsted Research","host_organization_lineage":["https://openalex.org/I2799553609"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":49,"referenced_works":["https://openalex.org/W16668441","https://openalex.org/W1509675960","https://openalex.org/W1533188319","https://openalex.org/W1609949110","https://openalex.org/W1771008006","https://openalex.org/W1903246653","https://openalex.org/W1983934546","https://openalex.org/W1985964927","https://openalex.org/W1988169889","https://openalex.org/W1992379382","https://openalex.org/W2004736426","https://openalex.org/W2009667219","https://openalex.org/W2017171218","https://openalex.org/W2028155512","https://openalex.org/W2031575339","https://openalex.org/W2033136941","https://openalex.org/W2034942481","https://openalex.org/W2035422711","https://openalex.org/W2040106814","https://openalex.org/W2045891963","https://openalex.org/W2046200067","https://openalex.org/W2046831855","https://openalex.org/W2049525849","https://openalex.org/W2056236491","https://openalex.org/W2064363749","https://openalex.org/W2065880307","https://openalex.org/W2085543106","https://openalex.org/W2086605080","https://openalex.org/W2087015070","https://openalex.org/W2088526093","https://openalex.org/W2092059415","https://openalex.org/W2095306290","https://openalex.org/W2104946864","https://openalex.org/W2111433181","https://openalex.org/W2117683643","https://openalex.org/W2130728357","https://openalex.org/W2131498390","https://openalex.org/W2135398848","https://openalex.org/W2135418409","https://openalex.org/W2140031547","https://openalex.org/W2146048188","https://openalex.org/W2147928952","https://openalex.org/W2150041409","https://openalex.org/W2151503017","https://openalex.org/W2317797887","https://openalex.org/W2321590196","https://openalex.org/W2330693629","https://openalex.org/W2480718545","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W2010985802","https://openalex.org/W1982426604","https://openalex.org/W2375641942","https://openalex.org/W16668441","https://openalex.org/W2317797887","https://openalex.org/W2336672302","https://openalex.org/W1990049859","https://openalex.org/W2028155512","https://openalex.org/W2065880307","https://openalex.org/W1995912001"],"abstract_inverted_index":{"Ion":[0],"transport":[1],"across":[2],"the":[3,48,58,74,85,100,208,221,315],"plasma":[4,304],"membrane":[5,67,305],"of":[6,47,57,97,145,179,303],"suspension-culture":[7],"cells":[8,49,283,316],"derived":[9],"from":[10,177],"immature":[11],"barley":[12],"embryos":[13],"has":[14],"been":[15,286],"studied":[16],"in":[17,127,276],"low":[18],"(15":[19],"mM":[20,26,126,129,269,293],"KCl)":[21,130],"and":[22,37,83,110,131,167,182,195,256,295],"high":[23,205],"(additional":[24],"150":[25],"NaCl)":[27,294],"salt":[28],"conditions":[29],"to":[30,220,288,310,317],"understand":[31],"how":[32],"plants":[33],"discriminate":[34,80],"between":[35,81,282],"K(+)":[36,82,92,158,168],"Na(+)":[38,164,172,319],"during":[39],"ion":[40,306],"uptake.":[41],"In":[42,62,225],"both":[43],"media":[44],"about":[45],"50%":[46,137],"exhibited":[50],"resting":[51],"potentials":[52,181],"more":[53],"negative":[54],"than":[55],"any":[56],"passive":[59],"diffusion":[60],"potentials.":[61],"whole-cell":[63,223,277],"patch":[64],"clamp":[65],"experiments":[66],"hyperpolarization":[68],"activated":[69],"large":[70],"inward":[71,230],"currents.":[72,224],"Whilst":[73],"instantaneous":[75],"current":[76,105],"components":[77],"did":[78],"not":[79],"Na(+),":[84],"time-dependent":[86,222],"current,":[87],"I(in),":[88],"was":[89,188,197],"selective":[90],"for":[91,267],"over":[93],"Na(+).":[94,154],"Further":[95],"analysis":[96],"I(in)":[98],"revealed":[99],"following":[101],"properties:":[102],"double":[103],"exponential":[104],"activation":[106,114],"(time-constants":[107],"0.03":[108],"s":[109],"0.3":[111],"s,":[112],"half":[113],"potential":[115],"-":[116],"171":[117],"mV);":[118],"no":[119,148],"inactivation;":[120],"complete":[121],"block":[122,133,149],"by":[123,134,150],"Ba(2+)":[124],"(30":[125],"100":[128,268],"part":[132],"TEA(+)":[135],"(maximum":[136],"with":[138,216,232],"20":[139],"mM);":[140],"dependence":[141],"on":[142],"millimolar":[143],"concentrations":[144],"cytoplasmic":[146,153],"ATP;":[147],"external":[151,323],"or":[152,279],"The":[155,237,298],"selectivity":[156],"sequences":[157],"\u226b":[159,165,169],"Rb(+)":[160,174],">":[161,163,171,173],"NH(+)(4)":[162,170],"Cl(-)":[166],"were":[175,235,240,274],"determined":[176],"measurements":[178],"reversal":[180,193],"relative":[183,202],"steady-state":[184],"currents":[185,278],"respectively.":[186],"P(Na):P(K)":[187],"0.07":[189],"\u00b1":[190],"0.02":[191],"(from":[192,201],"potentials)":[194],"I(Na):I(K)":[196],"0.17":[198],"+":[199],"0.05":[200],"currents).":[203],"A":[204],"variance":[206],"among":[207],"observed":[209],"permeability":[210],"ratios":[211],"suggested":[212],"that":[213,284,300],"several":[214,229],"channels":[215,231,239,307],"different":[217],"ion-selectivities":[218],"contributed":[219],"single":[226],"channel":[227,245,253],"experiments,":[228],"distinct":[233],"properties":[234],"found.":[236],"major":[238],"(i)":[241],"a":[242,289,311],"voltage-gated,":[243],"K(+)-selective":[244],"(12":[246],"pS),":[247],"(ii)":[248],"an":[249,258],"ATP-activated":[250],"non-selective":[251],"cation":[252],"(7":[254],"pS)":[255],"(iii)":[257],"inward-rectifying":[259],"anion-channel":[260],"(150":[261,292],"pS,":[262],"all":[263],"unitary":[264],"conductances":[265],"given":[266],"KCI).":[270],"No":[271],"significant":[272],"differences":[273],"found":[275],"single-channel":[280],"characteristics":[281],"had":[285],"adapted":[287],"high-salt":[290],"growth-medium":[291],"non-adapted":[296],"cells.":[297],"idea":[299],"differential":[301],"regulation":[302],"gives":[308],"rise":[309],"physiological":[312],"flexibility,":[313],"allowing":[314],"control":[318],"uptake":[320],"under":[321],"varying":[322],"conditions,":[324],"is":[325],"discussed.":[326]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":4}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}
