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Article ; Online: Golgi‐localized MORN1 promotes lipid droplet abundance and enhances tolerance to multiple stresses in Arabidopsis

Li, Zhan / Gao, Yue / Yan, Jiapei / Wang, Shuai / Wang, Shu / Liu, Yuanyuan / Wang, Shaokui / Hua, Jian

Journal of Integrative Plant Biology. 2023 Aug., v. 65, no. 8 p.1890-1903

2023

Abstract: Lipid droplet (LD) in vegetative tissues has recently been implicated in environmental responses in plants, but its regulation and its function in stress tolerance are not well understood. Here, we identified a Membrane Occupation and Recognition Nexus 1 ...

Abstract	Lipid droplet (LD) in vegetative tissues has recently been implicated in environmental responses in plants, but its regulation and its function in stress tolerance are not well understood. Here, we identified a Membrane Occupation and Recognition Nexus 1 (MORN1) gene as a contributor to natural variations of stress tolerance through genome‐wide association study in Arabidopsis thaliana. Characterization of its loss‐of‐function mutant and natural variants revealed that the MORN1 gene is a positive regulator of plant growth, disease resistance, cold tolerance, and heat tolerance. The MORN1 protein is associated with the Golgi and is also partly associated with LD. Protein truncations that disrupt these associations abolished the biological function of the MORN1 protein. Furthermore, the MORN1 gene is a positive regulator of LD abundance, and its role in LD number regulation and stress tolerance is highly linked. Therefore, this study identifies MORN1 as a positive regulator of LD abundance and a contributor to natural variations of stress tolerance. It implicates a potential involvement of Golgi in LD biogenesis and strongly suggests a contribution of LD to diverse processes of plant growth and stress responses.
Keywords	Arabidopsis thaliana ; biogenesis ; cold tolerance ; disease resistance ; droplets ; genes ; genome-wide association study ; heat tolerance ; lipids ; loss-of-function mutation ; mutants ; occupations ; plant growth ; stress tolerance
Language	English
Dates of publication	2023-08
Size	p. 1890-1903.
Publishing place	John Wiley & Sons, Ltd
Document type	Article ; Online
Note	JOURNAL ARTICLE
ZDB-ID	2130095-1
ISSN	1744-7909 ; 1672-9072
ISSN (online)	1744-7909
ISSN	1672-9072
DOI	10.1111/jipb.13498
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Prediction and visualization of gene modulated ultralow cadmium accumulation in brown rice grains by hyperspectral imaging.

Luo, Shuiyang / Yuan, Xue / Liang, Ruiqing / Feng, Kunsheng / Xu, Haitao / Zhao, Jing / Wang, Shaokui / Lan, Yubin / Long, Yongbing / Deng, Haidong

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy

2023 Volume 297, Page(s) 122720

Abstract: Monitoring (including prediction and visualization) the gene modulated cadmium (Cd) accumulation in rice grains is one of the most important steps for identification of key transporter genes responsible for grain Cd accumulation and breeding low grain-Cd- ...

Abstract	Monitoring (including prediction and visualization) the gene modulated cadmium (Cd) accumulation in rice grains is one of the most important steps for identification of key transporter genes responsible for grain Cd accumulation and breeding low grain-Cd-accumulating rice cultivars. A method to predict and visualize the gene modulated ultralow Cd accumulation in brown rice grains based on the hyperspectral image (HSI) technology is proposed in this study. Firstly, the Vis-NIR HSIs of brown rice grain samples with 48Cd content levels induced by gene modulation (ranging from 0.0637 to 0.1845 mg/kg) are collected using HSI system. Then, Kernel-ridge (KRR) and random forest (RFR) regression models based on full spectral data and the data after feature dimension reduction (FDR) with kernel principal component analysis (KPCA) and truncated singular value decomposition (TSVD) algorithms are established to predict the Cd contents. RFR model shows poor performance due to the over-fitting based on the full spectral data, while the KRR model can obtain a good predict accuracy with R
MeSH term(s)	Cadmium/analysis ; Oryza/genetics ; Hyperspectral Imaging ; Soil Pollutants/analysis ; Algorithms
Chemical Substances	Cadmium (00BH33GNGH) ; Soil Pollutants
Language	English
Publishing date	2023-04-09
Publishing country	England
Document type	Journal Article
ZDB-ID	210413-1
ISSN	1873-3557 ; 0370-8322 ; 0584-8539 ; 1386-1425
ISSN (online)	1873-3557
ISSN	0370-8322 ; 0584-8539 ; 1386-1425
DOI	10.1016/j.saa.2023.122720
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Article ; Online: Machine Learning Assisted Wearable Wireless Device for Sleep Apnea Syndrome Diagnosis.

Wang, Shaokui / Xuan, Weipeng / Chen, Ding / Gu, Yexin / Liu, Fuhai / Chen, Jinkai / Xia, Shudong / Dong, Shurong / Luo, Jikui

Biosensors

2023 Volume 13, Issue 4

Abstract: Sleep apnea syndrome (SAS) is a common but underdiagnosed health problem related to impaired quality of life and increased cardiovascular risk. In order to solve the problem of complicated and expensive operation procedures for clinical diagnosis of ... ...

Abstract	Sleep apnea syndrome (SAS) is a common but underdiagnosed health problem related to impaired quality of life and increased cardiovascular risk. In order to solve the problem of complicated and expensive operation procedures for clinical diagnosis of sleep apnea, here we propose a small and low-cost wearable apnea diagnostic system. The system uses a photoplethysmography (PPG) optical sensor to collect human pulse wave signals and blood oxygen saturation synchronously. Then multiscale entropy and random forest algorithms are used to process the PPG signal for analysis and diagnosis of sleep apnea. The SAS determination is based on the comprehensive diagnosis of the PPG signal and blood oxygen saturation signal, and the blood oxygen is used to exclude the error induced by non-pathological factors. The performance of the system is compared with the Compumedics Grael PSG (Polysomnography) sleep monitoring system. This simple diagnostic system provides a feasible technical solution for portable and low-cost screening and diagnosis of SAS patients with a high accuracy of over 85%.
MeSH term(s)	Humans ; Quality of Life ; Sleep Apnea Syndromes/diagnosis ; Polysomnography/methods ; Wearable Electronic Devices ; Machine Learning ; Photoplethysmography/methods
Language	English
Publishing date	2023-04-17
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2662125-3
ISSN	2079-6374 ; 2079-6374
ISSN (online)	2079-6374
ISSN	2079-6374
DOI	10.3390/bios13040483
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Golgi-localized MORN1 promotes lipid droplet abundance and enhances tolerance to multiple stresses in Arabidopsis.

Li, Zhan / Gao, Yue / Yan, Jiapei / Wang, Shuai / Wang, Shu / Liu, Yuanyuan / Wang, Shaokui / Hua, Jian

Journal of integrative plant biology

2023 Volume 65, Issue 8, Page(s) 1890–1903

Abstract	Lipid droplet (LD) in vegetative tissues has recently been implicated in environmental responses in plants, but its regulation and its function in stress tolerance are not well understood. Here, we identified a Membrane Occupation and Recognition Nexus 1 (MORN1) gene as a contributor to natural variations of stress tolerance through genome-wide association study in Arabidopsis thaliana. Characterization of its loss-of-function mutant and natural variants revealed that the MORN1 gene is a positive regulator of plant growth, disease resistance, cold tolerance, and heat tolerance. The MORN1 protein is associated with the Golgi and is also partly associated with LD. Protein truncations that disrupt these associations abolished the biological function of the MORN1 protein. Furthermore, the MORN1 gene is a positive regulator of LD abundance, and its role in LD number regulation and stress tolerance is highly linked. Therefore, this study identifies MORN1 as a positive regulator of LD abundance and a contributor to natural variations of stress tolerance. It implicates a potential involvement of Golgi in LD biogenesis and strongly suggests a contribution of LD to diverse processes of plant growth and stress responses.
MeSH term(s)	Arabidopsis/metabolism ; Lipid Droplets/metabolism ; Genome-Wide Association Study ; Arabidopsis Proteins/genetics ; Arabidopsis Proteins/metabolism ; Golgi Apparatus/metabolism ; Gene Expression Regulation, Plant/genetics ; Plants, Genetically Modified/metabolism ; Stress, Physiological/genetics
Chemical Substances	Arabidopsis Proteins
Language	English
Publishing date	2023-06-14
Publishing country	China (Republic : 1949- )
Document type	Journal Article
ZDB-ID	2130095-1
ISSN	1744-7909 ; 1672-9072
ISSN (online)	1744-7909
ISSN	1672-9072
DOI	10.1111/jipb.13498
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article: Pyramiding of Low Chalkiness QTLs Is an Effective Way to Reduce Rice Chalkiness.

Yang, Weifeng / Chen, Songliang / Hao, Qingwen / Zhu, Haitao / Tan, Quanya / Lin, Shaojun / Chen, Guodong / Li, Zhan / Bu, Suhong / Liu, Zupei / Liu, Guifu / Wang, Shaokui / Zhang, Guiquan

Rice (New York, N.Y.)

2024 Volume 17, Issue 1, Page(s) 4

Abstract: Rice chalkiness is a key limiting factor of high-quality rice. The breeding of low chalkiness varieties has always been a challenging task due to the complexity of chalkiness and its susceptibility to environmental factors. In previous studies, we ... ...

Abstract	Rice chalkiness is a key limiting factor of high-quality rice. The breeding of low chalkiness varieties has always been a challenging task due to the complexity of chalkiness and its susceptibility to environmental factors. In previous studies, we identified six QTLs for the percentage of grain chalkiness (PGC), named qPGC5, qPGC6, qPGC8.1, qPGC8.2, qPGC9 and qPGC11, using single-segment substitution lines (SSSLs) with genetic background of Huajingxian 74 (HJX74). In this study, we utilized the six low chalkiness QTLs to develop 17 pyramiding lines with 2-4 QTLs. The results showed that the PGC decreased with the increase of QTLs in the pyramiding lines. The pyramiding lines with 4 QTLs significantly reduced the chalkiness of rice and reached the best quality level. Among the six QTLs, qPGC5 and qPGC6 showed greater additive effects and were classified as Group A, while the other four QTLs showed smaller additive effects and were classified as Group B. In pyramiding lines, although the presence of epistasis, additivity remained the main component of QTL effects. qPGC5 and qPGC6 showed stronger ability to reduce rice chalkiness, particularly in the environment of high temperature (HT) in the first cropping season (FCS). Our research demonstrates that by pyramiding low chalkiness QTLs, it is feasible to develop the high-quality rice varieties with low chalkiness at the best quality level even in the HT environment of FCS.
Language	English
Publishing date	2024-01-08
Publishing country	United States
Document type	Journal Article
ZDB-ID	2457103-9
ISSN	1939-8433 ; 1939-8425
ISSN (online)	1939-8433
ISSN	1939-8425
DOI	10.1186/s12284-023-00680-x
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: QTL epistasis plays a role of homeostasis on heading date in rice.

Huang, Lilong / Tang, Jichun / Zhu, Bihuang / Chen, Guodong / Chen, Leyi / Bu, Suhong / Zhu, Haitao / Liu, Zupei / Li, Zhan / Meng, Lijun / Liu, Guifu / Wang, Shaokui

Scientific reports

2024 Volume 14, Issue 1, Page(s) 373

Abstract: If there was no gene interaction, the gene aggregation effect would increase infinitely with the increase of gene number. Epistasis avoids the endless accumulation of gene effects, playing a role of homeostasis. To confirm the role, QTL epistases were ... ...

Abstract	If there was no gene interaction, the gene aggregation effect would increase infinitely with the increase of gene number. Epistasis avoids the endless accumulation of gene effects, playing a role of homeostasis. To confirm the role, QTL epistases were analyzed by four single-segment substitution lines with heading date QTLs in this paper. We found that QTLs of three positive effects and one negative effect generated 62.5% negative dual QTL epistatic effects and 57.7% positive triple QTL epistatic effects, forming the relationship "positive QTLs-negative one order interactions-positive two order interactions". In this way, the aggregation effect of QTLs was partially neutralized by the opposite epistatic effect sum. There also were two exceptions, QTL OsMADS50 and gene Hd3a-2 were always with consistent effect directions with their epistases, implying they could be employed in pyramiding breeding with different objectives. This study elucidated the mechanism of epistatic interactions among four QTLs and provided valuable genetic resources for improving heading date in rice.
MeSH term(s)	Chromosome Mapping ; Oryza/genetics ; Phenotype ; Epistasis, Genetic ; Chromosomes, Plant ; Plant Breeding ; Homeostasis/genetics
Language	English
Publishing date	2024-01-03
Publishing country	England
Document type	Journal Article
ZDB-ID	2615211-3
ISSN	2045-2322 ; 2045-2322
ISSN (online)	2045-2322
ISSN	2045-2322
DOI	10.1038/s41598-023-50786-x
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Genetic Analysis of S5 Regulating the Hybrid Sterility between Indica and Japonica Subspecies in Rice

Guo, Jie / Zhou, Xinqiao / Chen, Ke / Ye, Chanjuan / Liu, Juan / Sun, Kangli / Tang, Guang / Wang, Shaokui / Zhang, Guiquan / Chen, Youding / Chen, Dagang / Liu, Chuanguang

Agronomy. 2023 Apr. 11, v. 13, no. 4

2023

Abstract: Hybrid sterility is the major obstacle to the utilization of inter-subspecific heterosis in hybrid rice breeding. The S5 locus, composed of three adjacent genes ORF3, ORF4, and ORF5, plays a crucial role in regulating indica/japonica hybrids’ female ... ...

Abstract	Hybrid sterility is the major obstacle to the utilization of inter-subspecific heterosis in hybrid rice breeding. The S5 locus, composed of three adjacent genes ORF3, ORF4, and ORF5, plays a crucial role in regulating indica/japonica hybrids’ female sterility. Through a series of crosses involving 38 parents, three alleles of S5, ORF3+ORF4−ORF5n, ORF3+ORF4+ORF5n, and ORF3−/ORF4−/ORF5n, all could be regarded as wide-compatibility alleles, and when crossed with indica or japonica rice, they all showed significantly high fertility. Then, in order to explore the genes’ function, we further knocked out genes by using CRISPR/Cas9-based genome editing. Our results demonstrate that the ORF3+ was not just the protector in the killer-protector system, and knocking out ORF3 of the indica allele seriously affected the rice’s normal development. We observed the concrete enhancing hybrid spikelet fertility from the crosses between the ORF4+ knockout japonica materials with indica varieties. By conducting the comparative RNA-Seq analysis of young spikelets, we found that the ORF4+/ORF4− could modulate the hybrid fertility by affecting the expressions of genes related to the function of the Golgi apparatus. This study indicated that knocking out the ORF4+ of the japonica allele or using the alleles carrying ORF5n would provide effective approaches to overcome indica/japonica hybrid female sterility in rice breeding.
Keywords	Golgi apparatus ; agronomy ; alleles ; concrete ; female fertility ; genetic analysis ; heterosis ; hybrids ; loci ; rice ; sequence analysis ; spikelets
Language	English
Dates of publication	2023-0411
Publishing place	Multidisciplinary Digital Publishing Institute
Document type	Article ; Online
ZDB-ID	2607043-1
ISSN	2073-4395
ISSN	2073-4395
DOI	10.3390/agronomy13041094
Database	NAL-Catalogue (AGRICOLA)

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Article: The Molecular Regulatory Pathways and Metabolic Adaptation in the Seed Germination and Early Seedling Growth of Rice in Response to Low O

Ma, Mingqing / Cen, Weijian / Li, Rongbai / Wang, Shaokui / Luo, Jijing

Plants (Basel, Switzerland)

2020 Volume 9, Issue 10

Abstract: As sessile organisms, flooding/submergence is one of the major abiotic stresses for higher plants, with deleterious effects on their growth and survival. Therefore, flooding/submergence is a large challenge for agriculture in lowland areas worldwide. ... ...

Abstract	As sessile organisms, flooding/submergence is one of the major abiotic stresses for higher plants, with deleterious effects on their growth and survival. Therefore, flooding/submergence is a large challenge for agriculture in lowland areas worldwide. Long-term flooding/submergence can cause severe hypoxia stress to crop plants and can result in substantial yield loss. Rice has evolved distinct adaptive strategies in response to low oxygen (O
Language	English
Publishing date	2020-10-14
Publishing country	Switzerland
Document type	Journal Article ; Review
ZDB-ID	2704341-1
ISSN	2223-7747
ISSN	2223-7747
DOI	10.3390/plants9101363
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article: The Molecular Regulatory Pathways and Metabolic Adaptation in the Seed Germination and Early Seedling Growth of Rice in Response to Low O2 Stress

Ma, Mingqing / Cen, Weijian / Li, Rongbai / Wang, Shaokui / Luo, Jijing

Plants. 2020 Oct. 14, v. 9, no. 10

2020

Abstract	As sessile organisms, flooding/submergence is one of the major abiotic stresses for higher plants, with deleterious effects on their growth and survival. Therefore, flooding/submergence is a large challenge for agriculture in lowland areas worldwide. Long-term flooding/submergence can cause severe hypoxia stress to crop plants and can result in substantial yield loss. Rice has evolved distinct adaptive strategies in response to low oxygen (O₂) stress caused by flooding/submergence circumstances. Recently, direct seeding practice has been increasing in popularity due to its advantages of reducing cultivation cost and labor. However, establishment and growth of the seedlings from seed germination under the submergence condition are large obstacles for rice in direct seeding practice. The physiological and molecular regulatory mechanisms underlying tolerant and sensitive phenotypes in rice have been extensively investigated. Here, this review focuses on the progress of recent advances in the studies of the molecular mechanisms and metabolic adaptions underlying anaerobic germination (AG) and coleoptile elongation. Further, we highlight the prospect of introducing quantitative trait loci (QTL) for AG into rice mega varieties to ensure the compatibility of flooding/submergence tolerance traits and yield stability, thereby advancing the direct seeding practice and facilitating future breeding improvement.
Keywords	abiotic stress ; coleoptiles ; crops ; direct seeding ; flooding tolerance ; hypoxia ; labor ; lowlands ; oxygen ; phenotype ; quantitative trait loci ; rice ; seed germination ; seedling growth ; seedlings ; submergence
Language	English
Dates of publication	2020-1014
Publishing place	Multidisciplinary Digital Publishing Institute
Document type	Article
ZDB-ID	2704341-1
ISSN	2223-7747
ISSN	2223-7747
DOI	10.3390/plants9101363
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Chloroplasts- Beyond Energy Capture and Carbon Fixation: Tuning of Photosynthesis in Response to Chilling Stress.

Gan, Ping / Liu, Fang / Li, Rongbai / Wang, Shaokui / Luo, Jijing

International journal of molecular sciences

2019 Volume 20, Issue 20

Abstract: As organelles for photosynthesis in green plants, chloroplasts play a vital role in solar energy capture and carbon fixation. The maintenance of normal chloroplast physiological functions is essential for plant growth and development. Low temperature is ... ...

Abstract	As organelles for photosynthesis in green plants, chloroplasts play a vital role in solar energy capture and carbon fixation. The maintenance of normal chloroplast physiological functions is essential for plant growth and development. Low temperature is an adverse environmental stress that affects crop productivity. Low temperature severely affects the growth and development of plants, especially photosynthesis. To date, many studies have reported that chloroplasts are not only just organelles of photosynthesis. Chloroplasts can also perceive chilling stress signals via membranes and photoreceptors, and they maintain their homeostasis and promote photosynthesis by regulating the state of lipid membranes, the abundance of photosynthesis-related proteins, the activity of enzymes, the redox state, and the balance of hormones and by releasing retrograde signals, thus improving plant resistance to low temperatures. This review focused on the potential functions of chloroplasts in fine tuning photosynthesis processes under low-temperature stress by perceiving stress signals, modulating the expression of photosynthesis-related genes, and scavenging excess reactive oxygen species (ROS) in chloroplasts to survive the adverse environment.
MeSH term(s)	Carbon Cycle ; Chloroplasts/metabolism ; Cold Temperature ; Gene Expression Regulation, Developmental ; Gene Expression Regulation, Plant ; Photosynthesis ; Plant Proteins/metabolism ; Reactive Oxygen Species/metabolism ; Stress, Physiological ; Viridiplantae/growth & development ; Viridiplantae/metabolism
Chemical Substances	Plant Proteins ; Reactive Oxygen Species
Language	English
Publishing date	2019-10-11
Publishing country	Switzerland
Document type	Journal Article ; Review
ZDB-ID	2019364-6
ISSN	1422-0067 ; 1422-0067 ; 1661-6596
ISSN (online)	1422-0067
ISSN	1422-0067 ; 1661-6596
DOI	10.3390/ijms20205046
Database	MEDical Literature Analysis and Retrieval System OnLINE

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