Article
Biochemistry & Molecular Biology
Bingcong Xing, Siqi Wan, Liyang Su, Muhammad Waheed Riaz, Lihong Li, Yulin Ju, Wangshu Zhang, Ying Zheng, Qingsong Shao
Summary: Anoectochilus roxburghii is a rare and valuable medicinal plant. Two WRKY transcription factors (ArWRKY5 and ArWRKY20) were identified and analyzed in this study, showing significant response to Spd treatment and primarily expressed in the flower. ArWRKY5 was found to promote earlier flowering in Arabidopsis thaliana, while ArWRKY20 delayed flowering but enhanced plant growth and seed development. Further investigation is needed to understand their specific biological functions and mechanism in A. roxburghii.
Article
Plant Sciences
Zuo-Qian Pu, Zi-Qin Xu
Summary: The identity of floral organs is defined by a small group of transcriptional regulators, with A. thaliana serving as material to establish the ABCDE model. Specific combinations of A-, B-, C-, D-, or E-class floral homeotic genes confirm the identity of different floral organs.
JOURNAL OF PLANT GROWTH REGULATION
(2022)
Article
Plant Sciences
Arthur de Lima Silva, Marcelo Trovo, Thomas Stuetzel, Paula J. Rudall, Maria das Gracas Sajo, Alessandra Ike Coan
Summary: The floral morphology of Eriocaulon is highly diverse due to fusion, reduction, or loss of perianth parts. Nectariferous carpellodes originated first in staminate flowers, while petal glands and nectariferous branches in pistillate flowers originated independently through the transfer of function.
Article
Plant Sciences
Joao C. F. Cardoso, Steven D. Johnson, Uiara C. Rezende, Paulo E. Oliveira
Summary: This study reveals the pollination process of the lady's slipper orchid Phragmipedium vittatum, which utilizes micro-morphological traits to attract, trap, guide, and release pollinators, thus enabling precise pollen transfer.
Article
Plant Sciences
Xue Li, Ming-sheng Zhang, Liang-qing Zhao, Qian-qian Ling-hu, Gang Xu
Summary: In this study, JcGASA6, a member of the GASA family in Jatropha curcas, was cloned and found to play a crucial role in growth regulation and floral development, especially in male flowers. Additionally, JcGASA6 is involved in the signal transduction of plant hormones such as ABA, ET, GA, BR, and SA, and has potential antimicrobial properties based on its three-dimensional structure.
Article
Plant Sciences
Kai Ma, Ruiqiang Xu, Yu Zhao, Liqun Han, Yuhui Xu, Lili Li, Juan Wang, Ning Li
Summary: This study characterized the JrASMT gene family in walnut, a melatonin-rich plant, revealing the mechanism of melatonin regulation in plants. The ASMT genes expanded and differentiated before plant terrestrialization, with greater differentiation in dicotyledonous plants. Different JrASMT genes exhibited differential expression during walnut bud development, and some were associated with morphological differentiation and stress capacity of flower buds, predicting involvement in the regulatory network of hormones. The study provides valuable insights into the complex melatonin mechanisms in plant developmental regulation.
FRONTIERS IN PLANT SCIENCE
(2022)
Review
Biochemistry & Molecular Biology
Mohamed Haddad, Vincent Herve, Mohamed Raafet Ben Khedher, Jean-Michel Rabanel, Charles Ramassamy
Summary: Glutathione plays a significant role as an antioxidant in the brain related to Alzheimer's disease, with alterations in its levels correlated with cognitive decline. Strategies have been developed to restore its intracellular level, but no significant benefits have been reported in clinical trials so far. Future directions include utilizing GSH-coupled nanocarriers for brain delivery and investigating its presence in exosomes for potential intercellular transfer.
ANTIOXIDANTS & REDOX SIGNALING
(2021)
Article
Biochemistry & Molecular Biology
Jiahui Liang, Ze Wu, Tengfei Xu, Xiaofeng Li, Feng Jiang, Hongqing Wang
Summary: In this study, the regulatory mechanisms of floral initiation and floral organ development in strawberry were investigated. The GATA transcription factor gene, FaHAN, was found to play a crucial role in these processes. Overexpression of FaHAN delayed flowering, resulted in malformed floral organs, and caused abnormal fruit development.
Article
Biochemistry & Molecular Biology
Xingju Song, Xu Yang, Zhu Ying, Heng Zhang, Jing Liu, Qun Liu
Summary: GRX S14 and GRX C5 were confirmed to play a coordinated role in the growth of Neospora caninum parasites, with double knockout affecting reproductive capacity and downregulating certain proteins. However, the redox balance in parasite cells was not significantly affected by the absence of grx S14 and grx C5.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2021)
Article
Plant Sciences
Yan-Qin Ma, Zuo-Qian Pu, Qi Meng, Xiao-Min Tan, Liu Yang, Kai-Li Zhang, Ye-Ye Ma, Xuan Huang, Zi-Qin Xu
Summary: The study revealed the important role of SEPALLATA genes in regulating flowering, leaf morphology and floral organ development in Arabidopsis. Two splicing variants, SEP3-2 and SEP3-3, of SEP3 gene were found to be involved in leaf morphogenesis and floral organ development by affecting transcriptional activity. SEP4 genes participate in the development of sepals, petals, stamens, and carpels. These findings demonstrate the diversified functions of SEPALLATA genes.
JOURNAL OF PLANT GROWTH REGULATION
(2023)
Article
Biochemistry & Molecular Biology
Yuting Zhang, Junhong Zhang, Minyan Song, Xinchun Lin, Zaikang Tong, Mingquan Ding
Summary: Bamboo, as a crucial non-timber forest resource, holds significant economic value and unique flowering characteristics. The five SQUA-like subfamily genes in Phyllostachys edulis are involved in regulating flowering time and floral organ identity, functioning through protein complex formation.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2021)
Article
Plant Sciences
Juan Hu, Qianqian Chen, Atif Idrees, Wanjun Bi, Zhongxiong Lai, Yun Sun
Summary: In this study, 136 MADS-box genes were identified in the tea plant (Camellia sinensis). The evolutionary relationship, functional characteristics, and expression profiles of these genes were systematically investigated. The expansion of MADS-box genes in the tea plant was mainly contributed by gene duplications, and these genes play important roles in the response to cold stress. Moreover, a floral 'ABCE' model was proposed and confirmed in the tea plant. This study provides valuable insights into the MADS-box genes in the tea plant and lays the foundation for further functional characterizations.
Article
Plant Sciences
Chun-Yen Yang, Wen-You Yan, Hsin-Yen Chang, Chih-Wen Sun
Summary: CIA2 and CIL are nuclear transcription factors that coordinate chloroplast biogenesis and function by regulating gene expression, particularly upregulating the expression of GLK1 and genes related to chloroplast transcription, translation, protein import, and photosynthesis. CIA2 increases flower number and height of the inflorescence main axis, while CIL promotes flowering.
Review
Plant Sciences
Marcus G. Heisler, Henrik Joensson, Stephan Wenkel, Kerstin Kaufmann
Summary: Plant development is controlled by transcription factors, but the molecular mechanisms behind their diversity and specificity are not well understood. Flower development serves as an ideal context to study these mechanisms, as different floral organs depend on distinct combinations of transcriptional regulators. Recent research also emphasizes the role of leaf polarity regulators in flower development. Understanding how these factors work together will help answer questions about the generation of different shapes and positions of floral organs.
CURRENT OPINION IN PLANT BIOLOGY
(2022)
Article
Genetics & Heredity
Xuewei Zhao, Yuanyuan Li, Meng-Meng Zhang, Xin He, Sagheer Ahmad, Siren Lan, Zhong-Jian Liu
Summary: This article reviews the transcription factors, structural genes involved in floral pigment synthesis pathways, molecular mechanisms of flower morphogenesis, and the potential relationship between flower type and color in orchids. It provides a theoretical reference for studying the molecular mechanisms of flower development and color presentation, genetic improvement, and new variety creation in orchids.
Editorial Material
Biochemistry & Molecular Biology
Nancy R. Hofmann
Editorial Material
Biochemistry & Molecular Biology
Nancy R. Hofmann
Editorial Material
Biochemistry & Molecular Biology
Nancy R. Hofmann
Editorial Material
Biochemistry & Molecular Biology
Nancy R. Hofmann
Editorial Material
Biochemistry & Molecular Biology
Nancy R. Hofmann
Editorial Material
Biochemistry & Molecular Biology
Nancy R. Hofmann
Editorial Material
Biochemistry & Molecular Biology
Nancy R. Hofmann
Editorial Material
Biochemistry & Molecular Biology
Nancy R. Hofmann
Editorial Material
Biochemistry & Molecular Biology
Nancy R. Hofmann
Editorial Material
Biochemistry & Molecular Biology
Nancy R. Hofmann
Editorial Material
Biochemistry & Molecular Biology
Nancy R. Hofmann
Editorial Material
Biochemistry & Molecular Biology
Nancy R. Hofmann
Editorial Material
Biochemistry & Molecular Biology
Nancy R. Hofmann
Editorial Material
Biochemistry & Molecular Biology
Nancy R. Hofmann
Editorial Material
Biochemistry & Molecular Biology
Nancy R. Hofmann