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1. Deletion of the miR172 target site in a TOE‐type gene is a strong candidate variant for dominant double‐flower trait in Rosaceae

Author:
Gattolin, Stefano; Cirilli, Marco; Pacheco, Igor; Ciacciulli, Angelo; Da Silva Linge, Cássia; Mauroux, Jehan‐Baptiste; Lambert, Patrick; Cammarata, Elia; Bassi, Daniele; Pascal, Thierry; Rossini, Laura
Source:
Theplant journal 2018 v.96 no.2 pp. 358-371
ISSN:
0960-7412
Subject:
Arabidopsis; Prunus persica; Rosa; alleles; binding sites; buds; chromosome mapping; corolla; flowering; genetic markers; genomics; humans; inheritance (genetics); loci; messenger RNA; models; mutation; ornamental plants; peaches; phenotype; phylogeny; transcription factors
Abstract:
... Double flowers with supernumerary petals have been selected by humans for their attractive appearance and commercial value in several ornamental plants, including Prunus persica (peach), a recognized model for Rosaceae genetics and genomics. Despite the relevance of this trait, knowledge of the underlying genes is limited. Of two distinct loci controlling the double‐flower phenotype in peach, we f ...
DOI:
10.1111/tpj.14036

2. Developmental role of the tomato Mediator complex subunit MED18 in pollen ontogeny

Author:
Pérez‐Martín, Fernando; Yuste‐Lisbona, Fernando J.; Pineda, Benito; García‐Sogo, Begoña; Olmo, Iván del; de Dios Alché, Juan; Egea, Isabel; Flores, Francisco B.; Piñeiro, Manuel; Jarillo, José A.; Angosto, Trinidad; Capel, Juan; Moreno, Vicente; Lozano, Rafael
Source:
Theplant journal 2018 v.96 no.2 pp. 300-315
ISSN:
0960-7412
Subject:
Arabidopsis; DNA-directed RNA polymerase; abnormal development; crops; fruit quality; fruiting; gametogenesis; genes; genetic markers; histology; males; mutants; ontogeny; phenotype; pollen; tomatoes; transcription (genetics); transfer DNA
Abstract:
... Pollen development is a crucial step in higher plants, which not only makes possible plant fertilization and seed formation, but also determines fruit quality and yield in crop species. Here, we reported a tomato T‐DNA mutant, pollen deficient1 (pod1), characterized by an abnormal anther development and the lack of viable pollen formation, which led to the production of parthenocarpic fruits. Geno ...
DOI:
10.1111/tpj.14031

3. Dynamic regulation of PIF5 by COP1–SPA complex to optimize photomorphogenesis in Arabidopsis

Author:
Pham, Vinh Ngoc; Kathare, Praveen Kumar; Huq, Enamul
Source:
Theplant journal 2018 v.96 no.2 pp. 260-273
ISSN:
0960-7412
Subject:
Arabidopsis thaliana; basic helix-loop-helix transcription factors; environmental factors; etiolation; gene expression regulation; gene overexpression; genetic analysis; hypocotyls; light quality; phenotype; photomorphogenesis; proteasome endopeptidase complex; protein content; red light; seedlings; ubiquitin-protein ligase; ubiquitination
Abstract:
... Light signal provides the spatial and temporal information for plants to adapt to the prevailing environmental conditions. Alterations in light quality and quantity can trigger robust changes in global gene expression. In Arabidopsis thaliana, two groups of key factors regulating those changes in gene expression are CONSTITUTIVE PHOTOMORPHOGENESIS/DEETIOLATED/FUSCA (COP/DET/FUS) and a subset of ba ...
DOI:
10.1111/tpj.14074
PubMed:
30144338
PubMed Central:
PMC6177295

4. Roles of pepper bZIP protein CaDILZ1 and its interacting partner RING‐type E3 ligase CaDSR1 in modulation of drought tolerance

Author:
Lim, Chae Woo; Baek, Woonhee; Lee, Sung Chul
Source:
Theplant journal 2018 v.96 no.2 pp. 452-467
ISSN:
0960-7412
Subject:
Arabidopsis; Capsicum annuum; abscisic acid; drought; drought tolerance; enzyme activity; genes; genetic markers; leaves; leucine zipper; pepper; phenotype; proteasome endopeptidase complex; sodium chloride; stomatal movement; stress response; ubiquitin-protein ligase; water stress
Abstract:
... Abscisic acid (ABA) is a plant hormone that plays a key role in the environmental stress response, especially the induction of ABA‐responsive and stress‐responsive genes and modulation of the stomatal aperture in response to drought stress. Here, we identified CaDILZ1 (Capsicum annuum Drought‐Induced Leucine Zipper 1) belonging to subgroup D of the bZIP protein family; gene functions of this famil ...
DOI:
10.1111/tpj.14046

5. TaWRKY51 promotes lateral root formation through negative regulation of ethylene biosynthesis in wheat (Triticum aestivum L.)

Author:
Hu, Zhaorong; Wang, Rui; Zheng, Mei; Liu, Xingbei; Meng, Fei; Wu, Hualing; Yao, Yingyin; Xin, Mingming; Peng, Huiru; Ni, Zhongfu; Sun, Qixin
Source:
Theplant journal 2018 v.96 no.2 pp. 372-388
ISSN:
0960-7412
Subject:
1-aminocyclopropane-1-carboxylate synthase; 1-aminocyclopropane-1-carboxylic acid; Arabidopsis; Triticum aestivum; auxins; carboxylic acids; electrophoresis; ethylene; ethylene production; gene expression regulation; gene overexpression; genes; homozygosity; mutants; nutrient uptake; phenotype; promoter regions; roots; signal transduction; staple crops; transcription (genetics); transgenic plants; wheat
Abstract:
... Common wheat (Triticum aestivum L.) is an important staple food crop worldwide. Lateral roots (LRs), as the major component of root architecture, affect water and nutrient uptake in wheat. The phytohormone ethylene is known to affect LR formation; however, the factor(s) modulating ethylene during this process have not yet been elucidated in wheat. Here we identified wheat TaWRKY51 as a key factor ...
DOI:
10.1111/tpj.14038