{"doi":"10.3732/ajb.0800268","title":"<i>Developmental disaster1</i>: A novel mutation causing defects during vegetative and inflorescence development in maize (<i>Zea mays</i>, Poaceae)","abstract":"<jats:p>Axillary meristems, which give rise to branches and flowers, play a critical role in plant architecture and reproduction. To understand how axillary meristems initiate, we have screened for mutants with defects in axillary meristem initiation to uncover the genes controlling this process. These mutants, called the <jats:italic>barren</jats:italic> class of mutants in maize (<jats:italic>Zea mays)</jats:italic>, have defects in axillary meristem initiation during both vegetative and reproductive development. Here, we identify and characterize a new member of the <jats:italic>barren</jats:italic> class of mutants named <jats:italic>Developmental disaster1</jats:italic> (<jats:italic>Dvd1</jats:italic>), due to the pleiotropic effects of the mutation. Similar to the <jats:italic>barren</jats:italic> mutants, <jats:italic>Dvd1</jats:italic> mutants have fewer branches, spikelets, florets, and floral organs in the inflorescence due to defects in the initiation of axillary meristems. Furthermore, double mutant analysis with <jats:italic>teosinte branched1</jats:italic> shows that <jats:italic>dvd1</jats:italic> also functions in axillary meristems during vegetative development. However, unlike the <jats:italic>barren</jats:italic> mutants, <jats:italic>Dvd1</jats:italic> mutants are semidwarf due to the production of shorter internodes, and they produce leaves in the inflorescence due to the outgrowth of bract leaf primordia. The suite of defects seen in <jats:italic>Dvd1</jats:italic> mutants, together with the genetic interaction of <jats:italic>Dvd1</jats:italic> with <jats:italic>barren inflorescence2</jats:italic>, suggests that <jats:italic>dvd1</jats:italic> is a novel regulator of axillary meristem and internode development.</jats:p>","journal":"American Journal of Botany","year":2009,"id":684491,"datarank":0.3596842909197557,"base_score":2.3978952727983707,"endowment":2.3978952727983707,"self_citation_contribution":0.3596842909197557,"citation_network_contribution":0.0,"self_endowment_contribution":0.3596842909197557,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":10,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":null,"is_data_producer":false,"deposit_databanks":null,"is_oa":false,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":null,"fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":1788241,"name":"Andrea L. Skirpan","orcid":null,"position":1,"is_corresponding":false},{"id":951144,"name":"Nicholas J. Kaplinsky","orcid":"0000-0002-1759-1826","position":2,"is_corresponding":false},{"id":1788242,"name":"Paula McSteen","orcid":null,"position":3,"is_corresponding":false},{"id":1788240,"name":"Kimberly A. Phillips","orcid":null,"position":0,"is_corresponding":false}],"reference_count":0,"raw_metadata":{"has_enrichment":true,"resolved":true,"title":"<i>Developmental disaster1</i>: A novel mutation causing defects during vegetative and inflorescence development in maize (<i>Zea mays</i>, Poaceae)","abstract":"<jats:p>Axillary meristems, which give rise to branches and flowers, play a critical role in plant architecture and reproduction. To understand how axillary meristems initiate, we have screened for mutants with defects in axillary meristem initiation to uncover the genes controlling this process. These mutants, called the <jats:italic>barren</jats:italic> class of mutants in maize (<jats:italic>Zea mays)</jats:italic>, have defects in axillary meristem initiation during both vegetative and reproductive development. Here, we identify and characterize a new member of the <jats:italic>barren</jats:italic> class of mutants named <jats:italic>Developmental disaster1</jats:italic> (<jats:italic>Dvd1</jats:italic>), due to the pleiotropic effects of the mutation. Similar to the <jats:italic>barren</jats:italic> mutants, <jats:italic>Dvd1</jats:italic> mutants have fewer branches, spikelets, florets, and floral organs in the inflorescence due to defects in the initiation of axillary meristems. Furthermore, double mutant analysis with <jats:italic>teosinte branched1</jats:italic> shows that <jats:italic>dvd1</jats:italic> also functions in axillary meristems during vegetative development. However, unlike the <jats:italic>barren</jats:italic> mutants, <jats:italic>Dvd1</jats:italic> mutants are semidwarf due to the production of shorter internodes, and they produce leaves in the inflorescence due to the outgrowth of bract leaf primordia. The suite of defects seen in <jats:italic>Dvd1</jats:italic> mutants, together with the genetic interaction of <jats:italic>Dvd1</jats:italic> with <jats:italic>barren inflorescence2</jats:italic>, suggests that <jats:italic>dvd1</jats:italic> is a novel regulator of axillary meristem and internode development.</jats:p>","is_dataset_classified":null,"base_score":2.3978952727983707,"endowment":2.3978952727983707,"datacite_reuse_total":0,"file_count":0,"downloads":0,"views":0,"has_version_chain":false,"is_dataset":false,"is_oa":false,"pmid":"21628197","pmcid":null,"openalex_id":"https://openalex.org/W2153505504","authors":[],"funders":[{"funder_name":"Pennsylvania State University","grant_id":"","title":null}],"total_grants":1,"fwci":1.5876,"citation_percentile":0.8629704,"influential_citations":0,"citation_trend":[{"year":2013,"count":1},{"year":2018,"count":2},{"year":2019,"count":2},{"year":2022,"count":1}],"oa_status":"bronze","license":"http://onlinelibrary.wiley.com/termsAndConditions#vor","oa_locations":[{"url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.3732/ajb.0800268","host_type":"journal"},{"url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.3732/ajb.0800268","host_type":"publisher"},{"url":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.3732%2Fajb.0800268","host_type":"publisher"},{"url":"https://bsapubs.onlinelibrary.wiley.com/doi/pdf/10.3732/ajb.0800268","host_type":"publisher"},{"url":"https://doi.org/10.3732/ajb.0800268","host_type":"journal"},{"url":"https://pubmed.ncbi.nlm.nih.gov/21628197","host_type":"repository"},{"url":"https://works.swarthmore.edu/fac-biology/37","host_type":"repository"}],"fields_of_study":["Plant Molecular Biology Research","Plant Reproductive Biology","Plant Genetic and Mutation Studies"],"mesh_terms":[],"keywords":["Biology","Zea mays","Poaceae","Inflorescence","Botany","Agronomy"],"sdg_mappings":[{"sdg_number":0,"sdg_label":"Climate action"}],"linked_datasets":[],"clinical_trials":[],"software_tools":[],"database_accessions":[],"source":"live","citation_network_status":"fetched"},"created_at":"2026-08-18T14:15:24.160492Z","pmid":null,"pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}