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Functional Plant Biology Functional Plant Biology Society
Plant function and evolutionary biology
Functional Plant Biology

Functional Plant Biology

Volume 49 Number 8 2022

FP21346Genes determining panicle morphology and grain quality in rice (Oryza sativa)

Birendra Prasad Shaw 0000-0003-0541-3296, Sudhanshu Sekhar, Binay Bhushan Panda, Gyanasri Sahu, Tilak Chandra and Ajay Kumar Parida
pp. 673-688

The demand for rice (Oryza sativa L.) is likely to increase with increase the world’s population necessitating a hike in its production to at least 1.5 times by the year 2050. However, such an increase in production is unlikely by the ongoing rice breeding programmes, as reflected from the rice production figures of the last two decades. Nonetheless, several genes determining the sink strength have been discovered, the biotechnological manipulation of which may be helpful in pushing-up the rice production figure significantly.

FP21267Transcriptome and metabolite profiling to identify genes associated with rhizome lignification and the function of ZoCSE in ginger (Zingiber officinale)

Xian Zhang 0000-0003-2785-3022, Dongsheng Ran, Peiyin Wu, Zhengyan Cao, Feng Xu, Ning Xia, Hongmei Gao, Ying Jiang, Cheng Yang, Na He, Ning Tang and Zexiong Chen
pp. 689-703

Ginger (Zingiber officinale Roscoe) is an important vegetable and spice crop in China, and its fresh rhizome is consumed as vegetable. However, the loss of edible quality of rhizome accelerated caused by tissue lignification at the later stage of rhizome development. In this paper, we investigate lignin accumulation patterns and identify the key genes involved in lignin biosynthesis, and verify the function of CSE genes. Our result provides molecular basis for lignin accumulation during ginger rhizome growth.

FP21230Meta-analysis of transcriptomic responses to cold stress in plants

Chiara Vergata, Sanaz Yousefi, Matteo Buti, Federica Vestrucci 0000-0002-9152-9983, Mansour Gholami, Hassan Sarikhani, Seyed Alireza Salami and Federico Martinelli 0000-0002-3981-0567
pp. 704-724

This study has performed a meta-analysis of transcriptomic responses to cold stress in plants identifying candidate genes for genetic improvement of cold stress tolerance in crops. Ethylene modulates defensive responses against cold stress. Several transcription factor families showed a key role in cold stress responses in plants: WRKY, AP2-EREBP, HSF, PHOR1. A model of gene regulatory networks underlying plant responses to cold stress was developed.


Tolerance to frost and seedling diseases is an essential trait for cereal wintering. This paper presents the first non-gel profiling of triticale genotypes with extreme tolerance/susceptibility to freezing and snow mould infection. As a result, differential cold-induced changes in leaf compounds, including candidate protein biomarkers of stress tolerance, were identified.

FP21315DELAY OF GERMINATION 1 (DOG1) regulates dormancy in dimorphic seeds of Xanthium strumarium

Iman Nemati, Mohammad Sedghi 0000-0001-5969-1860, Ghasem Hosseini Salekdeh, Reza Tavakkol Afshari, Mohammad Reza Naghavi and Somayeh Gholizadeh
pp. 742-758

This is the first study on the molecular mechanisms underlying seed dormancy in dimorphic seeds of Xanthium strumarium (L.) confirmed the positive regulation of seed dormancy by DOG1. We hypothesised that differences in energy metabolism, ABA biosynthesis, and auxin signalling between two seeds affects a vast spectrum of seed dormancy and seed development mechanisms through reprogramming of gene expression patterns using epigenetic network and RNA splicing.

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Best Paper Award

Akitomo Kawasaki has been awarded the ASPS-FPB Best Paper Award for 2021.

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