<scp>THERMOSENSITIVE BARREN PANICLE</scp> (<scp>TAP</scp>) is required for rice panicle and spikelet development at high ambient temperature

Zhang, Peng; Zhu, Wanwan; He, Yi; Fan, Junyi; Jin, Shi; Fu, Ruifeng; Hu, Jianping; Li, Li; Zhang, Dabing; Liang, Wanqi

doi:10.1111/nph.18551

Cited by 3 publications

(2 citation statements)

References 55 publications

(79 reference statements)

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“…Co-IP assays were performed as described 81 with minor modifications The 35S::MADS1-HA and 35S::YFP-AP2 plasmids in Agrobacterium GV3101 were transiently co-expressed into tobacco leaves as described above. The empty-vector 35S::YFP was used as a negative control.…”

Section: In Vivo Co-immunoprecipitation (Co-ip) Assaymentioning

confidence: 99%

MADS1-regulated lemma and awn development benefits barley yield

Zhang,

Shen,

et al. 2024

Nat Commun

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Floral organ shape and size in cereal crops can affect grain size and yield, so genes that regulate their development are promising breeding targets. The lemma, which protects inner floral organs, can physically constrain grain growth; while the awn, a needle-like extension of the lemma, creates photosynthate to developing grain. Although several genes and modules controlling grain size and awn/lemma growth in rice have been characterized, these processes, and the relationships between them, are not well understood for barley and wheat. Here, we demonstrate that the barley E-class gene HvMADS1 positively regulates awn length and lemma width, affecting grain size and weight. Cytological data indicates that HvMADS1 promotes awn and lemma growth by promoting cell proliferation, while multi-omics data reveals that HvMADS1 target genes are associated with cell cycle, phytohormone signaling, and developmental processes. We define two potential targets of HvMADS1 regulation, HvSHI and HvDL, whose knockout mutants mimic awn and/or lemma phenotypes of mads1 mutants. Additionally, we demonstrate that HvMADS1 interacts with APETALA2 (A-class) to synergistically activate downstream genes in awn/lemma development in barley. Notably, we find that MADS1 function remains conserved in wheat, promoting cell proliferation to increase awn length. These findings extend our understanding of MADS1 function in floral organ development and provide insights for Triticeae crop improvement strategies.

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Section: In Vivo Co-immunoprecipitation (Co-ip) Assaymentioning

confidence: 99%

MADS1-regulated lemma and awn development benefits barley yield

Zhang,

Shen,

et al. 2024

Nat Commun

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“…In addition, the upregulation of THERMO-SENSITIVE BARREN PANICLE (TAP), a member of the FAR1 family in rice, might be induced by elevated temperatures. This up-regulation is believed to modulate the proper growth and development of rice inflorescences and spikelets through the formation of protein complexes with OsYABBY4/5 [17]. Additionally, several AhFAR1 genes have been detected in peanuts, suggesting their potential involvement in regulating pod development [18].…”

Section: Introductionmentioning

confidence: 99%

Genome-Wide Identification and Expression Analyses of the FAR1/FHY3 Gene Family Provide Insight into Inflorescence Development in Maize

Tang,

Jing,

Liu

et al. 2024

CIMB

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As transcription factors derived from transposase, FAR-RED IMPAIRED RESPONSE1 (FAR1) and its homolog FHY3 play crucial roles in the regulation of light signaling and various stress responses by coordinating the expression of downstream target genes. Despite the extensive investigation of the FAR1/FHY3 family in Arabidopsis thaliana and other species, a comprehensive examination of these genes in maize has not been conducted thus far. In this study, we employed a genomic mining approach to identify 16 ZmFAR1 genes in the maize inbred line B73, which were further classified into five subgroups based on their phylogenetic relationships. The present study characterized the predicted polypeptide sequences, molecular weights, isoelectric points, chromosomal distribution, gene structure, conserved motifs, subcellular localizations, phylogenetic relationships, and cis-regulatory elements of all members belonging to the ZmFAR1 family. Furthermore, the tissue-specific expression of the 16 ZmFAR1 genes was analyzed using RNA-seq, and their expression patterns under far-red light conditions were validated in the ear and tassel through qRT-qPCR. The observed highly temporal and spatial expression patterns of these ZmFAR1 genes were likely associated with their specific functional capabilities under different light conditions. Further analysis revealed that six ZmFAR1 genes (ZmFAR1-1, ZmFAR1-10, ZmFAR1-11, ZmFAR1-12, ZmFAR1-14, and ZmFAR1-15) exhibited a response to simulated shading treatment and actively contributed to the development of maize ears. Through the integration of expression quantitative trait loci (eQTL) analyses and population genetics, we identified the presence of potential causal variations in ZmFAR1-14 and ZmFAR1-9, which play a crucial role in regulating the kernel row number and kernel volume weight, respectively. In summary, this study represents the initial identification and characterization of ZmFAR1 family members in maize, uncovering the functional variation in candidate regulatory genes associated with the improvement of significant agronomic traits during modern maize breeding.

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Genome-wide characterization and expression profiling of FARL (FHY3/FAR1) family genes in Zea mays

Mou,

Angon

2024

Journal of Genetic Engineering and Biotechnology

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THERMOSENSITIVE BARREN PANICLE (TAP) is required for rice panicle and spikelet development at high ambient temperature

Cited by 3 publications

References 55 publications

MADS1-regulated lemma and awn development benefits barley yield

MADS1-regulated lemma and awn development benefits barley yield

Genome-Wide Identification and Expression Analyses of the FAR1/FHY3 Gene Family Provide Insight into Inflorescence Development in Maize

Genome-wide characterization and expression profiling of FARL (FHY3/FAR1) family genes in Zea mays

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