{"id":"https://openalex.org/W2060106336","doi":"https://doi.org/10.1016/0022-2836(78)90365-0","title":"Mapping of mitochondrial 4S RNA genes in Xenopus laevis by electron microscopy","display_name":"Mapping of mitochondrial 4S RNA genes in Xenopus laevis by electron microscopy","publication_year":1978,"publication_date":"1978-05-01","ids":{"openalex":"https://openalex.org/W2060106336","doi":"https://doi.org/10.1016/0022-2836(78)90365-0","mag":"2060106336","pmid":"https://pubmed.ncbi.nlm.nih.gov/671539"},"language":"en","primary_location":{"id":"doi:10.1016/0022-2836(78)90365-0","doi":"https://doi.org/10.1016/0022-2836(78)90365-0","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0022-2836(78)90365-0","pdf_url":null,"source":{"id":"https://openalex.org/S46058472","display_name":"Journal of Molecular Biology","issn_l":"0022-2836","issn":["0022-2836","1089-8638"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","doyens","jufo-2","ki-jl-1","medline","norway-1","poland-140","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Molecular Biology","raw_type":"journal-article"},"volume":null,"type":"article","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/A5000308858","display_name":"Seigo Ohi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I196817621","display_name":"Carnegie Institution for Science","ror":"https://ror.org/04jr01610","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I196817621"]},{"id":"https://openalex.org/I4210117844","display_name":"Department of Embryology","ror":"https://ror.org/03bvtqh46","country_code":"US","type":"facility","lineage":["https://openalex.org/I196817621","https://openalex.org/I4210117844"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Seigo Ohi","raw_affiliation_strings":["Carnegie, Institution of Washington Department of Embryology 115 West University Parkway, Baltimore, Md 21210, U.S.A"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Carnegie, Institution of Washington Department of Embryology 115 West University Parkway, Baltimore, Md 21210, U.S.A","institution_ids":["https://openalex.org/I196817621","https://openalex.org/I4210117844"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Jose Luis Ramirez","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I196817621","display_name":"Carnegie Institution for Science","ror":"https://ror.org/04jr01610","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I196817621"]},{"id":"https://openalex.org/I4210117844","display_name":"Department of Embryology","ror":"https://ror.org/03bvtqh46","country_code":"US","type":"facility","lineage":["https://openalex.org/I196817621","https://openalex.org/I4210117844"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jose Luis Ramirez","raw_affiliation_strings":["Carnegie, Institution of Washington Department of Embryology 115 West University Parkway, Baltimore, Md 21210, U.S.A"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Carnegie, Institution of Washington Department of Embryology 115 West University Parkway, Baltimore, Md 21210, U.S.A","institution_ids":["https://openalex.org/I196817621","https://openalex.org/I4210117844"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015641857","display_name":"William B. Upholt","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I196817621","display_name":"Carnegie Institution for Science","ror":"https://ror.org/04jr01610","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I196817621"]},{"id":"https://openalex.org/I4210117844","display_name":"Department of Embryology","ror":"https://ror.org/03bvtqh46","country_code":"US","type":"facility","lineage":["https://openalex.org/I196817621","https://openalex.org/I4210117844"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"William B. Upholt","raw_affiliation_strings":["Carnegie, Institution of Washington Department of Embryology 115 West University Parkway, Baltimore, Md 21210, U.S.A"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Carnegie, Institution of Washington Department of Embryology 115 West University Parkway, Baltimore, Md 21210, U.S.A","institution_ids":["https://openalex.org/I196817621","https://openalex.org/I4210117844"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5064390918","display_name":"Igor B. Dawid","orcid":"https://orcid.org/0000-0003-0579-5693","observed_orcids":["https://orcid.org/0000-0003-0579-5693"]},"institutions":[{"id":"https://openalex.org/I196817621","display_name":"Carnegie Institution for Science","ror":"https://ror.org/04jr01610","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I196817621"]},{"id":"https://openalex.org/I4210117844","display_name":"Department of Embryology","ror":"https://ror.org/03bvtqh46","country_code":"US","type":"facility","lineage":["https://openalex.org/I196817621","https://openalex.org/I4210117844"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Igor B. Dawid","raw_affiliation_strings":["Carnegie, Institution of Washington Department of Embryology 115 West University Parkway, Baltimore, Md 21210, U.S.A"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Carnegie, Institution of Washington Department of Embryology 115 West University Parkway, Baltimore, Md 21210, U.S.A","institution_ids":["https://openalex.org/I196817621","https://openalex.org/I4210117844"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5064390918"],"corresponding_institution_ids":["https://openalex.org/I196817621","https://openalex.org/I4210117844"],"apc_list":{"value":4730,"currency":"USD","value_usd":4730},"apc_paid":null,"fwci":3.193,"has_fulltext":false,"cited_by_count":23,"citation_normalized_percentile":{"value":0.92659323,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":null,"biblio":{"volume":"121","issue":"3","first_page":"299","last_page":"310"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10301","display_name":"Mitochondrial Function and Pathology","score":0.8525000214576721,"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/T10301","display_name":"Mitochondrial Function and Pathology","score":0.8525000214576721,"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/T10521","display_name":"RNA and protein synthesis mechanisms","score":0.02759999968111515,"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/T10015","display_name":"Genomics and Phylogenetic Studies","score":0.01860000006854534,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/mitochondrial-dna","display_name":"mitochondrial DNA","score":0.5329999923706055},{"id":"https://openalex.org/keywords/xenopus-laevis","display_name":"Xenopus laevis","score":0.968999981880188},{"id":"https://openalex.org/keywords/dna-rna-hybridization","display_name":"RNA-DNA hybridization","score":0.6399999856948853},{"id":"https://openalex.org/keywords/ribosomal-dna","display_name":"ribosomal DNA","score":0.734000027179718},{"id":"https://openalex.org/keywords/ecori-restriction-site","display_name":"EcoRI restriction site","score":0.8610000014305115},{"id":"https://openalex.org/keywords/evolutionary-conservation","display_name":"evolutionary conservation","score":0.5870000123977661},{"id":"https://openalex.org/keywords/hela-cells","display_name":"HeLa cells","score":0.7400000095367432}],"concepts":[{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.664330244064331},{"id":"https://openalex.org/C24586158","wikidata":"https://www.wikidata.org/wiki/Q27075","display_name":"Mitochondrial DNA","level":3,"score":0.6228310465812683},{"id":"https://openalex.org/C67705224","wikidata":"https://www.wikidata.org/wiki/Q11053","display_name":"RNA","level":3,"score":0.6219407916069031},{"id":"https://openalex.org/C67905577","wikidata":"https://www.wikidata.org/wiki/Q215980","display_name":"Ribosomal RNA","level":3,"score":0.5925356149673462},{"id":"https://openalex.org/C153911025","wikidata":"https://www.wikidata.org/wiki/Q7202","display_name":"Molecular biology","level":1,"score":0.5356962084770203},{"id":"https://openalex.org/C102568066","wikidata":"https://www.wikidata.org/wiki/Q6718329","display_name":"MT-RNR1","level":4,"score":0.5064126253128052},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.5020251274108887},{"id":"https://openalex.org/C1248232","wikidata":"https://www.wikidata.org/wiki/Q10846137","display_name":"5S ribosomal RNA","level":5,"score":0.4664824306964874},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.45919597148895264},{"id":"https://openalex.org/C2779535977","wikidata":"https://www.wikidata.org/wiki/Q1342298","display_name":"Xenopus","level":3,"score":0.4461723268032074},{"id":"https://openalex.org/C130123407","wikidata":"https://www.wikidata.org/wiki/Q417754","display_name":"EcoRI","level":4,"score":0.42384085059165955},{"id":"https://openalex.org/C128319531","wikidata":"https://www.wikidata.org/wiki/Q219715","display_name":"Restriction enzyme","level":3,"score":0.3515043258666992},{"id":"https://openalex.org/C153957851","wikidata":"https://www.wikidata.org/wiki/Q201448","display_name":"Transfer RNA","level":4,"score":0.31033584475517273}],"mesh":[{"descriptor_ui":"D000818","descriptor_name":"Animals","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002874","descriptor_name":"Chromosome Mapping","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004272","descriptor_name":"DNA, Mitochondrial","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005796","descriptor_name":"Genes","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D008854","descriptor_name":"Microscopy, Electron","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D009693","descriptor_name":"Nucleic Acid Hybridization","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012313","descriptor_name":"RNA","qualifier_ui":"Q000235","qualifier_name":"genetics","is_major_topic":true},{"descriptor_ui":"D014981","descriptor_name":"Xenopus","qualifier_ui":"Q000235","qualifier_name":"genetics","is_major_topic":true}],"locations_count":2,"locations":[{"id":"doi:10.1016/0022-2836(78)90365-0","doi":"https://doi.org/10.1016/0022-2836(78)90365-0","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0022-2836(78)90365-0","pdf_url":null,"source":{"id":"https://openalex.org/S46058472","display_name":"Journal of Molecular Biology","issn_l":"0022-2836","issn":["0022-2836","1089-8638"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","doyens","jufo-2","ki-jl-1","medline","norway-1","poland-140","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Molecular Biology","raw_type":"journal-article"},{"id":"pmid:671539","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/671539","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 molecular biology","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W64566665","https://openalex.org/W1555058870","https://openalex.org/W1573876426","https://openalex.org/W1631156283","https://openalex.org/W1991518741","https://openalex.org/W2003467551","https://openalex.org/W2013931376","https://openalex.org/W2014094423","https://openalex.org/W2038529404","https://openalex.org/W2041266557","https://openalex.org/W2060652120","https://openalex.org/W2084318387","https://openalex.org/W2120396987","https://openalex.org/W2226355400","https://openalex.org/W2595513871"],"related_works":["https://openalex.org/W2120396987","https://openalex.org/W206076510","https://openalex.org/W64566665","https://openalex.org/W1573876426","https://openalex.org/W2038529404","https://openalex.org/W2024561199","https://openalex.org/W2071789894","https://openalex.org/W2075277234","https://openalex.org/W2014828502","https://openalex.org/W2036892145"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}