Template-Type: ReDIF-Article 1.0 Author-Name: Juan Daniel Lira-Morales Author-Workplace-Name: Centro de Investigación en Alimentación y Desarrollo A.C., Culiacán, Sinaloa, México Author-Name: Nancy Varela-Bojórquez Author-Workplace-Name: Centro de Investigación en Alimentación y Desarrollo A.C., Culiacán, Sinaloa, México Author-Name: Magaly Berenice Montoya-Rojo Author-Workplace-Name: Centro de Investigación en Alimentación y Desarrollo A.C., Culiacán, Sinaloa, México Author-Name: J. Adriana Sañudo-Barajas Title: The role of ZIP proteins in zinc assimilation and distribution in plants: current challenges Abstract: Soils with mineral deficiencies lead to nutritional imbalance in crops worldwide. Zinc (Zn) is a micronutrient that is fundamental for plant growth and development, being essential for the proper functioning of a range of enzymes and transcription factors. Zn transporters tightly regulate Zn homeostasis. Plants contain a large number of Zn-responsive genes that are specifically expressed under Zn deficiency to ensure the coordination of assimilatory pathways and meet the physiological requirements. This review brings together a range of studies that have been undertaken to investigate the effects of Zn status on the regulatory mechanisms involved in plant mineral nutrition. The ZIP (ZRT, IRT-like Protein) family is especially implicated in Zn transport and in the maintenance of cellular Zn homeostasis. Regulation of expression in relation to plant tissue, mineral concentration, and species has been determined for several ZIP family members. In the omic era, genomic and proteomic approaches have facilitated a rapid increase in our understanding of the roles of ZIP family members and their regulation, though significant knowledge gaps remain. A comprehensive understanding of ZIP proteins could lead to many potential molecular applications to improve crop management and food quality. Keywords: homeostasis, IRT-like protein family, transcription, zinc-responsive genes, zinc transporters Journal: Czech Journal of Genetics and Plant Breeding Pages: 45-54 Volume: 55 Issue: 2 Year: 2019 DOI: 10.17221/54/2018-CJGPB File-URL: http://cjgpb.agriculturejournals.cz/doi/10.17221/54/2018-CJGPB.html File-Format: text/html X-File-Ref: http://agriculturejournals.cz/RePEc/caa/references/cjg-201902-0001.txt Handle: RePEc:caa:jnlcjg:v:55:y:2019:i:2:id:54-2018-CJGPB Template-Type: ReDIF-Article 1.0 Author-Name: Mingsong Jiang Author-Workplace-Name: Rice Research Institute, Jinan, Shandong, P.R. China Author-Name: Jiandi Xu Author-Workplace-Name: Rice Research Institute, Jinan, Shandong, P.R. China Author-Name: Feng Chen Author-Workplace-Name: Rice Research Institute, Jinan, Shandong, P.R. China Author-Name: Wenyin Zhu Title: Genetic effects of F1 pollen sterility genes S-b, S-d and S-e in rice (Oryza sativa L.) Abstract: An experimental population commonly used in genetic analyses of gene or quantitative trait loci (QTLs) in rice is chromosome segment substitution lines (CSSLs). In the present study, with the typical indica variety Guangluai 4 as a donor and japonica variety Taichung 65 as a recipient, seven CSSLs carrying F1 pollen sterility genes S-b, S-d, S-e, S-b/S-d, S-b/S-e, S-d/S-e, and S-b/S-d/S-e were obtained by specific selection for the target genes, non-specific selection for the genome of the recurrent parents in four backcross populations (BC1F2, BC2F2, BC3F2 and BC3F3). We evaluated the genetic effect of the F1 pollen sterility genes using 35 F1 hybrid individuals in crosses derived from CSSLs and Taichung 65. Pollen fertility of F1 hybrid plants was observed and the results indicated that the single genes S-b, S-d and S-e can cause 67.7%, 14.6% and 53.2% of pollen sterility, respectively. Multiple genes S-b/S-d, S-b/S-e, S-d/S-e, and S-b/S-d/S-e can cause 76.6%, 85%, 68.7%, and 93% of pollen sterility, respectively. Keywords: chromosome segment substitution lines, donor, marker-assisted selection, recipient Journal: Czech Journal of Genetics and Plant Breeding Pages: 55-60 Volume: 55 Issue: 2 Year: 2019 DOI: 10.17221/181/2017-CJGPB File-URL: http://cjgpb.agriculturejournals.cz/doi/10.17221/181/2017-CJGPB.html File-Format: text/html X-File-Ref: http://agriculturejournals.cz/RePEc/caa/references/cjg-201902-0002.txt Handle: RePEc:caa:jnlcjg:v:55:y:2019:i:2:id:181-2017-CJGPB Template-Type: ReDIF-Article 1.0 Author-Name: Dorsaf Allel Author-Workplace-Name: Department of Extremophile Plants and Author-Workplace-Name: Department of Plant Molecular Physiology, Center of Biotechnology, Borj Cedria Science and Technology Park, Hammam-Lif, Tunisia Author-Name: Anis BenAmar Author-Workplace-Name: Department of Plant Molecular Physiology, Center of Biotechnology, Borj Cedria Science and Technology Park, Hammam-Lif, Tunisia Author-Name: Mounawer Badri Author-Workplace-Name: Department of Extremophile Plants and Author-Name: Chedly Abdelly Author-Workplace-Name: Department of Extremophile Plants and Title: Evaluation of salinity tolerance indices in North African barley accessions at reproductive stage Abstract: Soil salinity is one of the main factors limiting cereal productivity in worldwide agriculture. Exploitation of natural variation in local barley germplasm is an effective approach to overcome yield losses. Three gene pools of North African Hordeum vulgare L. grown in Tunisia, Algeria and Egypt were evaluated at the reproductive stage under control and saline conditions. Assessment of stress tolerance was monitored using morphological, yield-related traits and phenological parameters of reproductive organs showing significant genetic variation. High heritability and positive relationships were found suggesting that some traits associated with salt tolerance could be used as selection criteria. The phenotypic correlations revealed that vegetative traits including shoot biomass, tiller number and leaf number along with yield-related traits such as spike number, one spike dry weight, grain number/plant and grain number/spike were highly positively correlated with grain yield under saline conditions. Hence, these traits can be used as reliable selection criteria to improve barley grain yield. Keeping a higher shoot biomass and longer heading and maturity periods as well as privileged filling ability might contribute to higher grain production in barley and thus could be potential target traits in barley crop breeding toward improvement of salinity tolerance. Multiple selection indices revealed that salt tolerance trait index provided a better discrimination of barley landraces allowing selection of highly salt-tolerant and highly productive genotypes under severe salinity level. Effective evaluation of salt tolerance requires an integration of selection indices to successfully identify and characterize salt tolerant lines required for valuable exploitation in the management of salt-affected areas. Keywords: grain yield, Hordeum vulgare, morphological traits, phenological parameters, salt tolerance, selection indices Journal: Czech Journal of Genetics and Plant Breeding Pages: 61-69 Volume: 55 Issue: 2 Year: 2019 DOI: 10.17221/50/2017-CJGPB File-URL: http://cjgpb.agriculturejournals.cz/doi/10.17221/50/2017-CJGPB.html File-Format: text/html X-File-Ref: http://agriculturejournals.cz/RePEc/caa/references/cjg-201902-0003.txt Handle: RePEc:caa:jnlcjg:v:55:y:2019:i:2:id:50-2017-CJGPB Template-Type: ReDIF-Article 1.0 Author-Name: Vlado Kovačević Author-Workplace-Name: Faculty of Agrobiotechnical Sciences Osijek, Josip Juraj Strossmayer University of Osijek, Osijek, Republic of Croatia Author-Name: Imre Kádár Author-Workplace-Name: Centre for Agricultural Research, Institute for Soil Sciences and Agricultural Chemistry, Hungarian Academy of Sciences Budapest, Budapest, Hungary Author-Name: Luka Andrić Author-Workplace-Name: Agricultural Institute Osijek, Osijek, Republic of Croatia Author-Name: Zvonimir Zdunić Author-Workplace-Name: Agricultural Institute Osijek, Osijek, Republic of Croatia Author-Name: Dario Iljkić Author-Workplace-Name: Faculty of Agrobiotechnical Sciences Osijek, Josip Juraj Strossmayer University of Osijek, Osijek, Republic of Croatia Author-Name: Ivana Varga Author-Workplace-Name: Faculty of Agrobiotechnical Sciences Osijek, Josip Juraj Strossmayer University of Osijek, Osijek, Republic of Croatia Author-Name: Jurica Jović Author-Workplace-Name: Faculty of Agrobiotechnical Sciences Osijek, Josip Juraj Strossmayer University of Osijek, Osijek, Republic of Croatia Title: Environmental and genetic effects on cadmium accumulation capacity and yield of maize Abstract: Maize (Zea mays) is an economic crop suitable for use in phytoremediation in low to moderately cadmium (Cd)-contaminated soils due to its ability to accumulate high concentration of Cd in parts of maize that are not used in human diet. The aim of this study was to test Cd content in nine female parents of the commercial maize hybrids (C1 = ♀2-48; C2 = ♀1767/99; C3 = ♀87-24; C4 = ♀135-88, C5 = ♀84-28; C6 = ♀84-44; C7 = ♀438-95; C8 = ♀30-8; C9 = ♀B-73) grown under field conditions in two soils (B1: eutric cambisol, B2: stagnosol) during three growing seasons (A1: 2006, A2: 2007, A3: 2008). The stationary trial was conducted in four replicates. The ear-leaves at flowering and grain at maturity were taken for chemical analysis. The average quantities of leaf-Cd were 0.081, 0.088 and 0.143 mg per kg of dry matter for A1, A2 and A3, 0.089 and 0.118, for B1 and B2, respectively. Grain-Cd was below the threshold (< 0.02 mg/kg). Five Cd-inefficient genotypes (C3, C5, C6, C7 and C9) had low leaf-Cd (average 0.049 mg/kg), while this content was about 6-times higher (average 0.299 mg/kg) in Cd-efficient genotype C4. The yield among the years ranged from 2.36 to 4.31 t/ha. Maize grown on B2 had about 26% lower yield than on B1. Five genotypes (C1, C2, C8 and C9) achieved yields less than 3.50 t/ha (mean 3.15 t/ha), while in two genotypes (C3 and C5) yields were above 4.00 t/ha (mean 4.14 t/ha). Very strong correlations (r) of leaf-Cd status among years (ranged from 0.52 to 0.77) confirmed high genetic effect on the capability of Cd accumulation in maize. However, correlations between Cd content and yield were low (ranged from -0.17 to 0.06). Cd-efficient C4 female parent could be used for development of maize hybrids suitable for phytoremediation, while Cd-inefficient female parents for hybrids could be suitable as forage maize crop contributing to the lower Cd input into food chain. Keywords: genotype variation, leaves and grain, soil type, Zea mays Journal: Czech Journal of Genetics and Plant Breeding Pages: 70-75 Volume: 55 Issue: 2 Year: 2019 DOI: 10.17221/5/2018-CJGPB File-URL: http://cjgpb.agriculturejournals.cz/doi/10.17221/5/2018-CJGPB.html File-Format: text/html X-File-Ref: http://agriculturejournals.cz/RePEc/caa/references/cjg-201902-0004.txt Handle: RePEc:caa:jnlcjg:v:55:y:2019:i:2:id:5-2018-CJGPB Template-Type: ReDIF-Article 1.0 Author-Name: Jian Gong Author-Workplace-Name: Pharmaceutical and Biological Engineering Department, Zibo Vocational Institute, Zibo, P.R. China Author-Name: Dong Li Author-Workplace-Name: College of Horticulture, Shanxi Agricultural University, Taigu, P.R. China Author-Workplace-Name: CAS Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Menglun, Mengla, Yunnan, P.R. China Author-Name: Hao Li Author-Workplace-Name: College of Forestry, Shanxi Agricultural University, Taigu, P.R. China Author-Workplace-Name: CAS Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Menglun, Mengla, Yunnan, P.R. China Author-Name: Huakun Zhou Author-Workplace-Name: Northwest Institute of Plateau Biology, Key Laboratory of Restoration Ecology of Cold Area in Qinghai Province, Chinese Academy of Sciences, Xining, P.R. China Author-Name: Jin Xu Author-Workplace-Name: CAS Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Menglun, Mengla, Yunnan, P.R. China Title: Identification of manganese-responsive microRNAs in Arabidopsis by small RNA sequencing Abstract: Manganese (Mn) is an important micronutrient for growth and development in plants, however, excess Mn is harmful by disrupting photosynthesis system and inducing oxidative damage in leaves. MicroRNAs (miRNAs) play key roles in regulating Mn toxicity tolerance in plants. Here, we identified Mn toxicity-responsive miRNAs in Arabidopsis by using small RNA sequencing. Eighteen differentially expressed miRNAs were identified in Arabidopsis thaliana seedlings in response to Mn toxicity. These differentially expressed miRNAs are involved in regulating nutrition homeostasis, transport, stress response, and developmental processes. Our results indicated that these miRNAs play a key role in Mn toxicity response in plants. Keywords: Arabidopsis thaliana, high-throughput sequencing, manganese toxicity, miRNA Journal: Czech Journal of Genetics and Plant Breeding Pages: 76-82 Volume: 55 Issue: 2 Year: 2019 DOI: 10.17221/57/2018-CJGPB File-URL: http://cjgpb.agriculturejournals.cz/doi/10.17221/57/2018-CJGPB.html File-Format: text/html X-File-Ref: http://agriculturejournals.cz/RePEc/caa/references/cjg-201902-0005.txt Handle: RePEc:caa:jnlcjg:v:55:y:2019:i:2:id:57-2018-CJGPB Template-Type: ReDIF-Article 1.0 Author-Name: Marzena Iwańska Author-Workplace-Name: Department of Experimental Design and Bioinformatics, Faculty of Agriculture and Biology, Warsaw University of Life Sciences, Warsaw, Poland Author-Name: Danuta Martyniak Author-Workplace-Name: Department of Grasses, Legumes and Energy Plants, Plant Breeding and Acclimatization Institute, Radzików, Błonie, Poland Author-Name: Marcin Martyniak Author-Workplace-Name: Faculty of Management, University of Warsaw, Warsaw, Poland$2 Author-Name: Dariusz Gozdowski Author-Workplace-Name: Department of Experimental Design and Bioinformatics, Faculty of Agriculture and Biology, Warsaw University of Life Sciences, Warsaw, Poland Title: Multivariate characteristics of selected grass varieties for seed production Abstract: Data were obtained in a field experiment carried out at Plant Breeding and Acclimatization Institute Radzikow (central Poland) in 2009-2011. The aim of this study was a multivariate evaluation of 13 advanced lines and cultivars of Festuca rubra, taking into account traits important in seed production. Eleven traits of the grasses and plant resistance to diseases were evaluated. On the basis of multivariate analyses, i.e. hierarchical cluster analysis and principal component analysis, groups of varieties were separated and described, relationships between the traits were evaluated as well. The traits with the biggest influence on multivariate diversity of examined varieties were correlated with the first principal component i.e. height of plants, seeds yield, growth rate of plants, leaf width and time to beginning of earing. Keywords: Festuca rubra, multivariate analysis, principal component analysis Journal: Czech Journal of Genetics and Plant Breeding Pages: 83-86 Volume: 55 Issue: 2 Year: 2019 DOI: 10.17221/186/2017-CJGPB File-URL: http://cjgpb.agriculturejournals.cz/doi/10.17221/186/2017-CJGPB.html File-Format: text/html X-File-Ref: http://agriculturejournals.cz/RePEc/caa/references/cjg-201902-0006.txt Handle: RePEc:caa:jnlcjg:v:55:y:2019:i:2:id:186-2017-CJGPB