Article
Horticulture
He Zhang, Shuqian Zhou, Penta Pristijono, John B. Golding, Huqing Yang, Gang Chen, Yongxin Li
Summary: This study found that low-temperature conditioning significantly enhances the chilling tolerance of sweetpotato storage roots, with alternative oxidase (AOX) playing a key role in this process. Conversely, the AOX inhibitor SHAM reduced the effectiveness of LTC, resulting in suppression of various physiological and antioxidant processes.
SCIENTIA HORTICULTURAE
(2021)
Review
Plant Sciences
Qin Mu, Xianyang Li, Jianhua Luo, Qinwei Pan, Yi Li, Tingting Gu
Summary: This study identified key expansin genes involved in strawberry fruit softening and investigated their transcriptional regulation by histone modifications. Transcriptome data suggested certain EXP genes were associated with fruit softening. EXP proteins in cultivated strawberries were found to be more structurally diverse compared to woodland strawberries.
Article
Agronomy
Florencia Rey, Maria Jesus Rodrigo, Lorenzo Zacarias
Summary: This study found that the tocopherol content at harvest is directly related to the tolerance of mandarin fruit to postharvest chilling injury, with fruits that are more tolerant to CI accumulating the highest tocopherol content. During cold storage, most genes related to tocopherol precursors were up-regulated, while genes involved in the tocopherol-core pathway were generally repressed.
POSTHARVEST BIOLOGY AND TECHNOLOGY
(2021)
Article
Agronomy
Maria T. Lafuente, Raul Sampedro, Paco Romero
Summary: A study investigated the transcriptional regulation of jasmonate metabolism, perception, and signaling in 'Fortune' mandarin under heat, cold stress, and heat-induced chilling tolerance conditions. The expression of 22 relevant jasmonate-related genes was evaluated during fruit storage at different temperatures and after heat conditioning. The results showed that genes involved in cis-(+)-12-oxo-phytodienoic and jasmonic acid synthesis were markers of chilling stress leading to peel damage. Heat and cold stress had major effects on the expression of genes related to OPDA, JA, and JA-Ile biosynthesis, perception, and signaling.
POSTHARVEST BIOLOGY AND TECHNOLOGY
(2023)
Article
Plant Sciences
Xiao Chen, Jiadong Chen, Dehua Liao, Hanghang Ye, Cai Li, Zhenzhen Luo, Anning Yan, Qingchun Zhao, Kun Xie, Yiting Li, Dongsheng Wang, Jun Chen, Aiqun Chen, Guohua Xu
Summary: Most land plants can form symbiosis with arbuscular mycorrhizal fungi to enhance their adaptability to environmental challenges. The development of this symbiosis is intricately controlled by plant hormones, with the auxin-mediated regulation of AM symbiosis remaining largely unknown. The study reveals that the SlGH3.4 gene negatively regulates mycorrhization by maintaining cellular auxin homeostasis, affecting both the endogenous IAA content and the level of mycorrhization.
PLANT CELL AND ENVIRONMENT
(2022)
Article
Plant Sciences
Madhushree Dutta, Surbhi Mali, Vidhi Raturi, Gaurav Zinta
Summary: The transition from juvenile to adult stage is an important switch in the plant's life cycle. Potato tuberization is influenced by various environmental factors and regulated by a complex signaling network involving hormones, sugars, phloem mobile signals, and transcriptional/post-transcriptional regulators. This review provides mechanistic insights into the signaling networks that coordinate potato tuberization under different conditions and highlights the importance of genetic and epigenetic regulation.
JOURNAL OF PLANT GROWTH REGULATION
(2023)
Editorial Material
Plant Sciences
Rodrigo S. Reis
Summary: There is a significant gap in our understanding of thermomorphogenesis regulation, specifically in processes involving RNA. This gap presents opportunities for exciting new discoveries in post-transcriptional regulation, while also posing manageable challenges.
JOURNAL OF EXPERIMENTAL BOTANY
(2023)
Article
Horticulture
R. Rivero, S. F. Remberg, O. M. Heide, A. Sonsteby
Summary: The study found that dormancy in everbearing strawberry is regulated by a complex interaction of temperature, photoperiod, and chilling similar to seasonal flowering cultivars. Despite having opposite photoperiodic flowering requirements, everbearing cultivars exhibited the same short-day dormancy induction response as seasonal flowering cultivars. Additionally, chilling for six weeks at 2 degrees C was sufficient to reverse the constrained elongation of leaf petioles and flower trusses in dormant plants, but had little effect on flowering and runner formation.
SCIENTIA HORTICULTURAE
(2021)
Article
Genetics & Heredity
Ming Li, Lianfu Chen, Tao Lang, Huijuan Qu, Cong Zhang, Junyan Feng, Zhigang Pu, Meifang Peng, Honghui Lin
Summary: In this study, a total of 37 expansins (ItrEXPs) were identified in Ipomoea trifida, and their roles in storage root development were analyzed. The findings provide insights into the functions of expansin gene family in Ipomoea trifida.
Article
Agronomy
Huiyun Chen, Shuqian Zhou, Xia Li, Huqing Yang
Summary: The study demonstrated that progesterone can alleviate chilling injury in sweetpotato tuberous root by enhancing the activity of alternative oxidase and the antioxidant system, inhibiting malonaldehyde levels and membrane permeability, and promoting proline accumulation. However, these effects are weakened by SHAM treatment.
POSTHARVEST BIOLOGY AND TECHNOLOGY
(2022)
Article
Plant Sciences
Daniel Lunn, Gracen A. Smith, James G. Wallis, John Browse
Summary: The overexpression of MPD1 protein in low temperature conditions leads to the accumulation of reactive oxygen species (ROS) and causes chilling damage, indicating the importance of Mpv17_PMP22 proteins in oxidative stress in plants.
JOURNAL OF EXPERIMENTAL BOTANY
(2022)
Article
Biochemistry & Molecular Biology
Tao Wei, Li Zhang, Ruijia Zhu, Xuefei Jiang, Chu Yue, Ying Su, Hongpei Ren, Maolin Wang
Summary: This study characterized a dwarf Brassica napus mutant ndf-2 and identified key factors involved in regulating plant height, revealing the molecular mechanism of Aux/IAA protein, BnaARF6/8, and BnaEXPA5 in stem development in plants.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2021)
Review
Biochemical Research Methods
Mattia Furlan, Stefano de Pretis, Mattia Pelizzola
Summary: Despite RNA abundance being commonly assumed as a proxy for transcriptional activity, it is now possible to calculate how synthesis, processing, and degradation rates collectively determine the abundance of each gene's RNA. Different transcriptional outputs can correspond to different combinations of kinetic rates, indicating the existence of markedly different modes of gene expression regulation and their profound effects on gene self-expression regulation.
BRIEFINGS IN BIOINFORMATICS
(2021)
Article
Biochemistry & Molecular Biology
Jiachang Wang, Yulong Ren, Xi Liu, Sheng Luo, Xiao Zhang, Xin Liu, Qibing Lin, Shanshan Zhu, Hua Wan, Yang Yang, Yu Zhang, Bin Lei, Chunlei Zhou, Tian Pan, Yongfei Wang, Mingming Wu, Ruonan Jing, Yang Xu, Meng Han, Fuqing Wu, Cailin Lei, Xiuping Guo, Zhijun Cheng, Xiaoming Zheng, Yihua Wang, Zhigang Zhao, Ling Jiang, Xin Zhang, Yong-Fei Wang, Haiyang Wang, Jianmin Wan
Summary: The OsCNGC9 gene in rice enhances cold tolerance by regulating cold-induced calcium influx and cytoplasmic calcium elevation.
Review
Plant Sciences
Dominique Hirsz, Laura E. Dixon
Summary: Temperature is a critical environmental signal in regulating plant growth and development, leading to the evolution of multiple temperature responsive regulatory mechanisms at the molecular level in plants. Recent studies have identified and understood these molecular mechanisms in temperate cereals, and developed methods to increase the robustness of crop yield.