dc.contributor.author | Subbarao, Guntur V. | |
dc.contributor.author | Kishii, Masahiro | |
dc.contributor.author | Bozal Leorri, Adrián | |
dc.contributor.author | Ortiz Monasterio, Iván | |
dc.contributor.author | Gao, Xiang | |
dc.contributor.author | Ibba, Maria Itria | |
dc.contributor.author | Karwat, Hannes | |
dc.contributor.author | González Moro, María Begoña | |
dc.contributor.author | González Murua, María del Carmen Begoña | |
dc.contributor.author | Yoshihashi, Tadashi | |
dc.contributor.author | Tobita, Satoshi | |
dc.contributor.author | Kommerell, Victor | |
dc.contributor.author | Braun, Hans-Joachim | |
dc.contributor.author | Iwanaga, Masa | |
dc.date.accessioned | 2021-10-25T09:30:33Z | |
dc.date.available | 2021-10-25T09:30:33Z | |
dc.date.issued | 2021-08-31 | |
dc.identifier.citation | Proceedings of the National Academy of Sciences 118(35) : (2021) // Article ID e2106595118 | es_ES |
dc.identifier.issn | 0027-8424 | |
dc.identifier.uri | http://hdl.handle.net/10810/53621 | |
dc.description.abstract | Active nitrifiers and rapid nitrification are major contributing factors to nitrogen losses in global wheat production. Suppressing nitrifier activity is an effective strategy to limit N losses from agriculture. Production and release of nitrification inhibitors from plant roots is termed "biological nitrification inhibition" (BNI). Here, we report the discovery of a chromosome region that controls BNI production in "wheat grass" Leymus racemosus (Lam.) Tzvelev, located on the short arm of the "Lr#3Ns(b)" (Lr#n), which can be transferred to wheat as T3BL.3Ns(b)S (denoted Lr#n-SA), where 3BS arm of chromosome 3B of wheat was replaced by 3Ns(b)S of L. racemosus. We successfully introduced T3BL.3Ns(b)S into the wheat cultivar "Chinese Spring" (CS-Lr#n-SA, referred to as "BNI-CS"), which resulted in the doubling of its BNI capacity. T3BL.3Ns(b)S from BNI-CS was then transferred to several elite high-yielding hexaploid wheat cultivars, leading to near doubling of BNI production in "BNI-MUNAL" and "BNI-ROELFS." Laboratory incubation studies with root-zone soil from field-grown BNI-MUNAL confirmed BNI trait expression, evident from suppression of soil nitrifier activity, reduced nitrification potential, and N2O emissions. Changes in N metabolism included reductions in both leaf nitrate, nitrate reductase activity, and enhanced glutamine synthetase activity, indicating a shift toward ammonium nutrition. Nitrogen uptake from soil organic matter mineralization improved under low N conditions. Biomass production, grain yields, and N uptake were significantly higher in BNI-MUNAL across N treatments. Grain protein levels and breadmaking attributes were not negatively impacted. Wide use of BNI functions in wheat breeding may combat nitrification in high N input-intensive farming but also can improve adaptation to low N input marginal areas. | es_ES |
dc.description.sponsorship | We gratefully acknowledge funding support from Japanese Ministry of Agriculture, Forestry and Fisheries, CGIAR Research Program on WHEAT during the execution of the research presented in this study. | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | National Academy Of Sciences | es_ES |
dc.rights | info:eu-repo/semantics/openAccess | es_ES |
dc.rights.uri | http://creativecommons.org/licenses/by/3.0/es/ | * |
dc.subject | BNI | es_ES |
dc.subject | Initrogen pollution | es_ES |
dc.subject | nitrification inhibition | es_ES |
dc.subject | genetic improvement | es_ES |
dc.subject | wheat | es_ES |
dc.subject | brachiaria-humidicola | es_ES |
dc.subject | production systems | es_ES |
dc.subject | inhibition BNI | es_ES |
dc.subject | nitrous-oxide | es_ES |
dc.subject | nitrate | es_ES |
dc.subject | strategies | es_ES |
dc.subject | management | es_ES |
dc.subject | emissions | es_ES |
dc.subject | release | es_ES |
dc.subject | losses | es_ES |
dc.title | Enlisting wild grass genes to combat nitrification in wheat farming: A nature-based solution | es_ES |
dc.type | info:eu-repo/semantics/article | es_ES |
dc.rights.holder | This open access article is distributed under Creative Commons Attribution License 4.0 (CC BY) | es_ES |
dc.rights.holder | Atribución 3.0 España | * |
dc.relation.publisherversion | https://www-pnas-org.ehu.idm.oclc.org/content/118/35/e2106595118 | es_ES |
dc.identifier.doi | 10.1073/pnas.2106595118 | |
dc.departamentoes | Biología vegetal y ecología | es_ES |
dc.departamentoeu | Landaren biologia eta ekologia | es_ES |