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Multidisciplinary Sciences
Inhye Lee, Eunsun Kim, Soobin Choi, Dayoung Kim, Wangyu Hong, Jungki Choi, Hyunmo Choi, Jimin Kim, Ganesh A. Sable, Kesavan Markkandan, Dongyeol Lim, Soon Ki Park, Soo Young Kim, Sumin Lee, Moon-Soo Soh
Summary: TMB inhibits seed germination in Arabidopsis by enhancing physiological dormancy and causing genome-wide transcriptional changes, with the TES1 gene playing a critical role in mediating this process.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2021)
Article
Plant Sciences
Sofia Shevtsov-Tal, Corinne Best, Roei Matan, Sam A. Chandran, Gregory G. Brown, Oren Ostersetzer-Biran
Summary: Plant organellar introns have degenerated during evolution, relying on host-acting protein cofactors for splicing, which may link cellular signals with respiratory functions.
Article
Plant Sciences
Lihong Li, Melaku Garsamo, Jing Yuan, Xiaojin Wang, Susan H. Lam, Kranthi Varala, Leonor C. Boavida, Yun Zhou, Xing Liu
Summary: The activity of CAND1 is essential for cells or tissues expressing a high level of F-box proteins, and it plays an important role in maintaining normal cellular functions.
FRONTIERS IN PLANT SCIENCE
(2022)
Editorial Material
Biochemistry & Molecular Biology
Michael D. Nodine
Summary: Parental contributions affect early embryogenesis by regulating maternal resources distribution to offspring. A new study in Arabidopsis thaliana shows that signaling components from maternal sporophytic tissues and paternal gametes converge in zygotes to promote elongation of the extraembryonic suspensor, supporting embryo development.
Article
Plant Sciences
Huajin Sheng, Yulin Jiang, Maryam Rahmati Ishka, Ju-Chen Chia, Tatyana Dokuchayeva, Yana Kavulych, Tetiana-Olena Zavodna, Patrick N. Mendoza, Rong Huang, Louisa M. Smieshka, Julia Miller, Arthur R. Woll, Olga Terek, Nataliya D. Romanyuk, Miguel Pineros, Yonghong Zhou, Olena K. Vatamaniuk
Summary: Addressing the global food security crisis requires the development of high-yielding crops. Research shows that copper deficiency affects grain development in wheat and Brachypodium distachyon. The YSL3 transporter plays a crucial role in copper distribution to reproductive organs and grains, impacting their development.
Article
Fisheries
Yonglei Zhang, Ping Zhang, Runnan Yu, Bin Li
Summary: This study cloned and characterized the C-type lectin S group (CTL-S) TcCTL1 gene in Tribolium castaneum, and functional analysis showed that TcCTL1 can recognize and agglutinate pathogens, activate immune signaling pathways, and also play a crucial role in embryogenesis.
DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY
(2023)
Article
Plant Sciences
Wei-Chih Lin, Ya-Huei Chen, Shin-Yuan Gu, Hwei-Ling Shen, Kai-Chau Huang, Wen-Dar Lin, Men-Chi Chang, Ing-Feng Chang, Chwan-Yang Hong, Wan-Hsing Cheng
Summary: Plant chloroplast RNA splicing and ribosome maturation (CRM)-domain-containing proteins are involved in splicing of group I or II introns in chloroplasts, with their functions in mitochondria less clear. The study found that Arabidopsis thaliana CFM6, a protein with a single CRM domain, plays a crucial role in mitochondrial complex I biogenesis and normal plant growth by specifically participating in the splicing of nad5 intron 4. Mutations in CFM6 lead to severe growth defects and splicing failures in nad5 intron 4.
PLANT AND CELL PHYSIOLOGY
(2022)
Article
Biochemistry & Molecular Biology
Mathias Due Tankmar, Marlene Reichel, Laura Arribas-Hernandez, Peter Brodersen
Summary: This study reveals that the Arabidopsis YTH domain protein ECT2 promotes leaf formation through interaction with cytoplasmic poly(A)-binding proteins, providing insights into the molecular mechanism of leaf development.
Article
Plant Sciences
Yuqin Zhang, Yuanyuan Hu, Zhiqin Wang, Xiaodi Lin, Zihui Li, Yafang Ren, Jie Zhao
Summary: This study investigates the biological functions of AtTIM22-2 in Arabidopsis. Loss of AtTIM22-2 function leads to defects in embryo and endosperm development, resulting in seed abortion. AtTIM22-2 interacts with AtTIM23-2, AtB14.7, and AT5G27395, participating in mitochondrial biogenesis and maintaining mitochondrial functions and ROS homeostasis.
JOURNAL OF EXPERIMENTAL BOTANY
(2023)
Article
Multidisciplinary Sciences
Seyed A. R. Mousavi, Adrienne E. Dubin, Wei-Zheng Zeng, Adam M. Coombs, Khai Do, Darian A. Ghadiri, William T. Keenan, Chennan Ge, Yunde Zhao, Ardem Patapoutian
Summary: PIEZO1 in Arabidopsis thaliana plays an important role in root mechanotransduction, establishing PIEZOs as physiologically relevant mechanosensitive ion channels across animal and plant kingdoms.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2021)
Article
Plant Sciences
Aaron Chan, Claudio Stasolla
Summary: The effect of red light on the induction of somatic embryogenesis was studied in Arabidopsis, and it was found that red light signaling mediated by PHYE is involved in the regulation of BR biosynthesis and AGL15 expression, which are crucial for somatic embryo formation. This study provides insights into the mechanism underlying the role of red light in somatic embryogenesis.
PLANT PHYSIOLOGY AND BIOCHEMISTRY
(2023)
Article
Neurosciences
Carmen Bolatto, Sofia Nieves, Agustina Reyes, Silvia Olivera-Bravo, Veronica Cambiazo
Summary: The protein encoded by the neuroectodermal gene Patched-related (Ptr) plays a crucial role in nervous system development and appears to be a negative regulator of the Hedgehog (Hh) pathway. Ptr null mutant embryos displayed severe alterations in axonal morphology, glial cell distribution, and peripheral nervous system defects. Cell-based assays revealed that Ptr interacts directly with Hh and may act as a negative regulator of Hh signaling.
FRONTIERS IN NEUROSCIENCE
(2022)
Article
Biochemistry & Molecular Biology
Kaija Goodman, Julio Paez-Valencia, Janice Pennington, Annika Sonntag, Xinxin Ding, Han Nim Lee, Paul G. Ahlquist, Isabel Molina, Marisa S. Otegui
Summary: The study demonstrates the crucial role of ISTL1 and LIP5 in Arabidopsis pollen development, with mutants lacking these ESCRT components displaying abnormal pollen exine patterns and partial lethality. Additionally, ISTL1 and LIP5 regulate exocytosis in tapetal cells, contributing to pollen wall development and tryphine deposition. The late ESCRT components ISTL1 and LIP5 are shown to function in the early endosomal pathway and exocytosis, instead of the typical endosomal trafficking role of the ESCRT machinery.
Article
Plant Sciences
Maofeng Chai, Indira Queralta Castillo, Annika Sonntag, Shixing Wang, Zhili Zhao, Wei Liu, Juan Du, Hongli Xie, Fuqi Liao, Jianfei Yun, Qingzhen Jiang, Juan Sun, Isabel Molina, Zeng-Yu Wang
Summary: This study highlights the importance of KCS12 in controlling the production of very long chain lipid species in the seed coat, ultimately affecting the physical dormancy of seeds. The expression of KCS12 in the seed coat is directly regulated by the transcription factor KNOX4, defining a molecular mechanism by which KNOX4 and KCS12 work together to control seed coat formation and physical dormancy.
Article
Neurosciences
Justin D. Yao, Dan H. Sanes
Summary: The study suggests that auditory perceptual skills may not necessarily require temporal encoding, as spike count alone can provide sufficient information. While a decoder relying on temporal information outperformed one relying on spike count, the spike count decoder remained sufficient to explain behavioral performance.