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| 1 | Application and future perspective of CRISPR/Cas9 genome editing in fruit crops显示文摘Fruit crops, including apple, orange, grape,banana, strawberry, watermelon, kiwifruit and tomato, not only provide essential nutrients for human life but also contribute to the major agricultural output and economic growth of many countries and regions in the world. Recent advancements in genome editing provides an unprecedented opportunity for the genetic improvement of these agronomically important fruit crops. Here, we summarize recent reports of applying CRISPR/Cas9 to fruit crops,including efforts to reduce disease susceptibility, change plant architecture or flower morphology, improve fruit quality traits, and increase fruit yield. We discuss challenges facing fruit crops as well as new improvements and platforms that could be used to facilitate genome editing in fruit crops, including d Cas9-base-editing to introduce desirable alleles and heat treatment to increase editing efficiency. In addition, we highlight what we see as potentially revolutionary development ranging from transgene-free genome editing to de novo domestication of wild relatives. Without doubt, we now see only the beginning of what will eventually be possible with the use of the CRISPR/Cas9 toolkit. Efforts to communicate with the public and an emphasis on the manipulation of consumerfriendly traits will be critical to facilitate public acceptance of genetically engineered fruits with this new technology. | Junhui Zhou Dongdong Li Guoming Wang Fuxi Wang Merixia Kunjal Dirk Joldersma Zhongchi Liu | 2020 | Journal of Integrative Plant Biology2020，62，3： | 7 |
| 2 | Integrated analysis of high-throughput sequencing data shows abscisic acidresponsive genes and miRNAs in strawberry receptacle fruit ripening显示文摘The perception and signal transduction of the plant hormone abscisic acid(ABA)are crucial for strawberry fruit ripening,but the underlying mechanism of how ABA regulates ripening-related genes has not been well understood.By employing high-throughput sequencing technology,we comprehensively analyzed transcriptomic and miRNA expression profiles simultaneously in ABA-and nordihydroguaiaretic acid(NDGA,an ABA biosynthesis blocker)-treated strawberry fruits with temporal resolution.The results revealed that ABA regulated many genes in different pathways,including hormone signal transduction and the biosynthesis of secondary metabolites.Transcription factor genes belonging to WRKY and heat shock factor(HSF)families might play key roles in regulating the expression of ABA inducible genes,whereas the KNOTTED1-like homeobox protein and Squamosa Promoter-Binding-like protein 18 might be responsible for ABA-downregulated genes.Additionally,20 known and six novel differentially expressed miRNAs might be important regulators that assist ABA in regulating target genes that are involved in versatile physiological processes,such as hormone balance regulation,pigments formation and cell wall degradation.Furthermore,degradome analysis showed that one novel miRNA,Fa_novel6,could degrade its target gene HERCULES1,which likely contributed to fruit size determination during strawberry ripening.These results expanded our understanding of how ABA drives the strawberry fruit ripening process as well as the role of miRNAs in this process. | Dongdong Li Wangshu Mou Rui Xia Li Li Christopher Zawora Tiejin Ying Linchun Mao Zhongchi Liu Zisheng Luo | 2019 | Horticulture Research2019，6，1： | 6 |
| 3 | An eFP browser for visualizing strawberry fruit and flower transcriptomes显示文摘Wild strawberry Fragaria vesca is emerging as an important model system for the cultivated strawberry due to its diploid genome and availability of extensive transcriptome data and a range of molecular genetic tools.Being able to better utilize these tools,especially the transcriptome data,will greatly facilitate research progress in strawberry and other Rosaceae fruit crops.The electronic fluorescent pictograph(eFP)software is a useful and popular tool to display transcriptome data visually,and is widely used in other model organisms including Arabidopsis and mouse.Here we applied eFP to display wild strawberry RNA sequencing(RNA-seq)data from 42 different tissues and stages,including various flower and fruit developmental stages.In addition,we generated eight additional RNA-seq data sets to represent tissues from ripening-stage receptacle fruit from yellow-colored and red-colored wild strawberry varieties.Differential gene expression analysis between these eight data sets provides additional information for understanding fruit-quality traits.Together,this work greatly facilitates the utility of the extensive transcriptome data for investigating strawberry flower and fruit development as well as fruit-quality traits. | Charles Hawkins Julie Caruana Jiaming Li Chris Zawora Omar Darwish Jun Wu Nadim Alkharouf Zhongchi Liu | 2017 | Horticulture Research2017，4，1： | 6 |
| 4 | Suppressor of Runnerless Encodes a DELLA Protein that Controls Runner Formation for A=sexual Reproduction in Strawberry显示文摘 | Julie C. Caruana John W. Sittmann Wanpeng Wang Zhongchi Liu | 2018 | Molecular Plant2018，11，1： | 6 |
| 5 | Transgenic expression of TaTLP1, a thaumatin-like protein gene, reduces susceptibility to common root rot and leaf rust in wheat显示文摘Thaumatin-like protein (TLP) plays an important role in combating plant pathogen infection.Common root rot caused by Bipolaris sorokiniana and leaf rust caused by Puccinia triticina (Pt) are major fungal diseases in wheat.The disease responses of TaTLP1-overexpressing transgenic lines (TaTLP1-OE) were evaluated after inoculation with each pathogen.The TaTLP1-OE lines had no apparent differences in tiller number and 1000-kernel weight from the wild type Jinan Wheat No.1 (JW1),whereas resistance to leaf rust and common root rot was improved,resulting from activated peroxidase and b-1,3-glucanase after B.sorokiniana infection,and reactive oxygen species-related genes were upregulated in Ta TLP1-OE lines after Pt infection.These results indicated that stable expression of TaTLP1 increased resistance against both diseases. | Zhongchi Cui Fang Liang Jiarui Zhang Fei Wang Daqun Liu Haiyan Wang | 2021 | The Crop Journal2021，9，5： | 3 |
| 6 | Updated annotation of the wild strawberry Fragaria vesca V4 genome显示文摘The diploid strawberry Fragaria vesca serves as an ideal model plant for cultivated strawberry(Fragaria×ananassa,8x)and the Rosaceae family.The F.vesca genome was initially published in 2011 using older technologies.Recently,a new and greatly improved F.vesca genome,designated V4,was published.However,the number of annotated genes is remarkably reduced in V4(28,588 genes)compared to the prior annotations(32,831 to 33,673 genes).Additionally,the annotation of V4(v4.0.a1)implements a new nomenclature for gene IDs(FvH4_XgXXXXX),rather than the previous nomenclature(geneXXXXX).Hence,further improvement of the V4 genome annotation and assigning gene expression levels under the new gene IDs with existing transcriptome data are necessary to facilitate the utility of this high-quality F.vesca genome V4.Here,we built a new and improved annotation,v4.0.a2,for F.vesca genome V4.The new annotation has a total of 34,007 gene models with 98.1%complete Benchmarking Universal Single-Copy Orthologs(BUSCOs).In this v4.0.a2 annotation,gene models of 8,342 existing genes are modified,9,029 new genes are added,and 10,176 genes possess alternatively spliced isoforms with an average of 1.90 transcripts per locus.Transcription factors/regulators and protein kinases are globally identified.Interestingly,the transcription factor family FAr-red-impaired Response 1(FAR1)contains 82 genes in v4.0.a2 but only two members in v4.0.a1.Additionally,the expression levels of all genes in the new annotation across a total of 46 different tissues and stages are provided.Finally,miRNAs and their targets are reanalyzed and presented.Altogether,this work provides an updated genome annotation of the F.vesca V4 genome as well as a comprehensive gene expression atlas with the new gene ID nomenclature,which will greatly facilitate gene functional studies in strawberry and other evolutionarily related plant species. | Yongping Li Mengting Pi Qi Gao Zhongchi Liu Chunying Kang | 2019 | Horticulture Research2019，6，1： | 2 |
| 7 | Reannotation of the cultivated strawberry genome and establishment of a strawberry genome database显示文摘Cultivated strawberry(Fragaria×ananassa)is an important fruit crop species whose fruits are enjoyed by many worldwide.An octoploid of hybrid origin,the complex genome of this species was recently sequenced,serving as a key reference genome for cultivated strawberry and related species of the Rosaceae family.The current annotation of the F.ananassa genome mainly relies on ab initio predictions and,to a lesser extent,transcriptome data.Here,we present the structure and functional reannotation of the F.ananassa genome based on one PacBio full-length RNA library and ninety-two Illumina RNA-Seq libraries.This improved annotation of the F.ananassa genome,v1.0.a2,comprises a total of 108,447 gene models,with 97.85%complete BUSCOs.The models of 19,174 genes were modified,360 new genes were identified,and 11,044 genes were found to have alternatively spliced isoforms.Additionally,we constructed a strawberry genome database(SGD)for strawberry gene homolog searching and annotation downloading.Finally,the transcriptome of the receptacles and achenes of F.ananassa at four developmental stages were reanalyzed and qualified,and the expression profiles of all the genes in this annotation are also provided.Together,this study provides an updated annotation of the F.ananassa genome,which will facilitate genomic analyses across the Rosaceae family and gene functional studies in cultivated strawberry. | Tianjia Liu Muzi Li Zhongchi Liu Xiaoyan Ai Yongping Li | 2021 | Horticulture Research2021，8，1： | 2 |
| 8 | 显示文摘 | Liu Zhongchi Zhou Dongxiang Gong Shuping | 2009 | Journal of Alloys and Compounds2009，475，12： | 1 |
| 9 | Genome-Scale Transcriptomic Insights into Early-Stage Fruit Development in Woodland Strawberry Fragaria vesca[W]显示文摘 | Chunying Kang Omar Darwish Aviva Geretz Rachel Shahan Nadim Alkharouf Zhongchi Liu | 2013 | The Plant Cell2013，，6： | 1 |
| 10 | Regulatory mechanisms for floral homeotic gene expression显示文摘 | Zhongchi Liu Chloe Mara | 2009 | Seminars in Cell and Developmental Biology2009，，1： | 1 |
| 11 | PHOSPHATIDYLSERINE SYNTHASE1 is Required for Inflorescence Meristem and Organ Development in Arabidopsis显示文摘Phosphatidylserine (PS ) ,份量上未成年者膜 phospholipid,在膜结构除它的角色以外涉及许多生物过程。一 PS 合成基因, PHOSPHATIDYLSERINE SYNTHASE1 (PSS1 ) ,被发现了在 Arabidopsis thaliana L 为小孢子开发被要求。但是 PSS1 怎么影响 postembryonic 开发,大部分仍然是未知的。这里,我们证明 PSS1 也在 Arabidopsis 为开花期分裂组织和机关开发被要求。PSS1 的混乱引起严重侏儒症,更小的侧面的机关和开花期分裂组织的减少的尺寸。词法、分子的研究建议房间分割和房间延伸在 pss1-1 异种被影响。在 situ 杂交和倡导者 GUS 分析表演的 RNA WUSCHEL (WUS ) 和 CLAVATA3 (CLV3 ) 的那表情取决于 PSS1。而且,在分裂组织维护的缺点被恢复, WUS 和 CLV3 的表示在 pss1-1 clv1-1 被恢复两倍异种。SHOOTSTEMLESS (STM ) 和 BREVIPEDICELLUS (BP ) 是 upregulated,并且植物生长素分发在 pss1-1 的插座叶子被破坏。然而, BP 的表示,也是 internode 开发的一个管理者,沉醉于 pss1-1 开花期茎。我们的数据建议 PSS1 由调整一级 KNOX 基因的差别通过 WUS-CLV 小径在开花期分裂组织维护,并且在叶和 internode 开发起必要作用。 | Chengwu Liu Hengfu Yin Peng Gao Xiaohe Hu Jun Yang Zhongchi Liu Xiangdong Fu Da Luo | 2013 | Journal of Integrative Plant Biology2013，55，8： | 1 |
| 12 | Plant genetics enters the nano age?显示文摘Plant transformation has for many years relied on agrobacterium infection or biolistic particle delivery.However, these two methods are limited to model plant systems or a small number of crop species.This commentary highlights recent developments in the nanoparticle-mediated transformation that have the potential to revolutionize how plants are transformed. | dirk joldersma zhongchi liu | 2018 | Journal of Integrative Plant Biology2018，60，6： | 1 |
| 13 | Author Correction:Updated annotation of the wild strawberry Fragaria vesca V4 genome显示文摘Since the publication of this article,the authors have noticed that the GeneIDs from new and original genome annotations don’t match in Table S6,the correct Table S6 is given here.The authors would like to apologize for this error. | Yongping Li Mengting Pi Qi Gao Zhongchi Liu Chunying Kang | 2019 | Horticulture Research2019，6，1： | 1 |
| 14 | The MADS-box gene FveSEP3 plays essential roles in flower organogenesis and fruit development in woodland strawberry显示文摘Flower and fruit development are two key steps for plant reproduction.The ABCE model for flower development has been well established in model plant species;however,the functions of ABCE genes in fruit crops are less understood.In this work,we identi fied an EMS mutant named R27 in woodland strawberry(Fragaria vesca),showing the conversion of petals,stamens,and carpels to sepaloid organs in a semidominant inheritance fashion.Mapping by sequencing revealed that the class E gene homolog FveSEP3(FvH4_4g23530)possessed the causative mutation in R27 due to a G to E amino acid change in the conserved MADS domain.Additional fvesep3^(CR) mutants generated by CRISPR/Cas9 displayed similar phenotypes to fvesep3-R27.Overexpressing wild-type or mutated FveSEP3 in Arabidopsis suggested that the mutation in R27 might cause a dominant-negative effect.Further analyses indicated that FveSEP3 physically interacted with each of the ABCE proteins in strawberry.Moreover,both R27 and fvesep3^(CR) mutants exhibited parthenocarpic fruit growth and delayed fruit ripening.Transcriptome analysis revealed that both common and specific differentially expressed genes were identi fied in young fruit at 6-7 days post anthesis(DPA)of fvesep3 and pollinated wild type when compared to unpollinated wild type,especially those in the auxin pathway,a key hormone regulating fruit set in strawberry.Together,we provided compelling evidence that FveSEP3 plays predominant E functions compared to other E gene homologs in flower development and that FveSEP3 represses fruit growth in the absence of pollination and promotes fruit ripening in strawberry. | Mengting Pi Shaoqiang Hu Laichao Cheng Ruhan Zhong Zhuoying Cai Zhongchi Liu Jia-Long Yao Chunying Kang | 2021 | Horticulture Research2021，8，1： | 1 |
| 15 | Flower and early fruit development in a diploid strawberry, Fragaria vesca显示文摘 | Courtney Hollender Aviva Geretz Janet Slovin Zhongchi Liu | 2012 | Planta2012，，6： | 1 |
| 16 | Identification of genes preferentially expressed in wild strawberry receptacle fruit and demonstration of their promoter activities显示文摘Fragaria vesca(F.vesca),the wild strawberry,is a diploid model for the commercial,octoploid strawberry as well as other members of the economically relevant Rosaceae family.Unlike the fruits of tomato and Arabidopsis,the fleshy fruit of strawberry is unique in that it is derived from the floral receptacle and has an external seed configuration.Thus,identification and subsequent characterization of receptacle-expressed genes may shed light on novel developmental processes or provide insight into how developmental regulation differs between receptacle-derived and ovary-derived fruits.Further,since fruit and flower tissues are the last organs to form on a plant,the development of receptacle fruitspecific promoters may provide useful molecular tools for research and application.In this work,we mined previously generated RNA-Seq datasets and identified 589 genes preferentially expressed in the strawberry receptacle versus all other profiled tissues.Promoters of a select subset of the 589 genes were isolated and their activities tested using a GUS transcriptional reporter.These promoters may now be used by the F.vesca research community for a variety of purposes,including driving expression of tissue-specific reporters,RNAi constructs,or specific genes to manipulate fruit development.Further,identified genes with receptacle-specific expression patterns,including MADS-Box and KNOX family transcription factors,are potential key regulators of fleshy fruit development and attractive candidates for functional characterization. | Rachel Shahan Dongdong Li Zhongchi Liu | 2019 | Horticulture Research2019，6，1： | 0 |
| 17 | Gibberellic acid induced parthenocarpic‘Honeycrisp’apples(Malus domestica)exhibit reduced ovary width and lower acidity显示文摘Fruit set and development are dependent on auxin,gibberellin,and cytokinin,which cause parthenocarpic development in many species when applied ectopically.Commercial sprays containing these hormones are used to improve apple fruit set,size,and shape,but have been implicated negatively in other aspects of fruit quality.We applied gibberellic acid(GA_(3)),synthetic auxin(NAA),and the auxin-transport inhibitor NPA to‘Honeycrisp’apple flowers.Fruit retention and size were quantified throughout development,and seed number and fruit quality parameters were measured at maturity.GA_(3)alone caused the development of seedless parthenocarpic apples.At maturity,GA_(3)-treated apples were narrower due to reduced ovary width,indicating that GA_(3)induced normal growth of the hypanthium,but not the ovary.GA_(3)-treated fruits were also less acidic than hand-pollinated controls,but had similar firmness,starch,and sugar content.To further understand the regulation of parthenocarpy,we performed tissue-specific transcriptome analysis on GA_(3)-treated,NAA-treated,and control fruits,at 18 days after treatment and again at maturity.Overall,transcriptome analysis showed GA_(3)-treated and hand-pollinated fruits were highly similar in RNA expression profiles.Early expression differences in putative cell division,cytokinin degradation,and cell wall modification genes in GA_(3)-treated ovaries correlated with the observed shape differences,while early expression differences in the acidity gene Ma1 may be responsible for the changes in pH.Taken together,our results indicate that GA_(3)triggers the development of parthenocarpic apple fruit with morphological deviations that correlate with a number of candidate gene expression differences. | Kelsey D.Galimba Daniel G.Bullock Chris Dardick Zhongchi Liu Ann M.Callahan | 2019 | Horticulture Research2019，6，1： | 0 |
| 18 | The red/far-red light photoreceptor FvePhyB regulates tissue elongation and anthocyanin accumulation in woodland strawberry显示文摘Light is an important environmental signal that influences plant growth and development.Among the photoreceptors,phytochromes can sense red/far-red light to coordinate various biological processes.However,their functions in strawberry are not yet known.In this study,we identified an EMS mutant,named P8,in woodland strawberry(Fragaria vesca)that showed greatly increased plant height and reduced anthocyanin content.Mapping-by-sequencing revealed that the causal mutation in FvePhyB leads to premature termination of translation.The light treatment assay revealed that FvePhyB is a bona fide red/far-red light photoreceptor,as it specifically inhibits hypocotyl length under red light.Transcriptome analysis showed that the FvePhyB mutation affects the expression levels of genes involved in hormone synthesis and signaling and anthocyanin biosynthesis in petioles and fruits.The srl mutant with a longer internode is caused by a mutation in the DELLA gene FveRGA1(Repressor of GA1)in the gibberellin pathway.We found that the P8 srl double mutant has much longer internodes than srl,suggesting a synergistic role of FvePhyB and FveRGA1 in this process.Taken together,these results demonstrate the important role of FvePhyB in regulating plant architecture and anthocyanin content in woodland strawberry. | Qi Gao Shaoqiang Hu Xiaoli Wang Fu Han Huifeng Luo Zhongchi Liu Chunying Kang | 2023 | Horticulture Research2023，10，12： | 0 |
| 19 | Rosaceae fruit transcriptome database(ROFT)-a useful genomic resource for comparing fruits of apple,peach,strawberry,and raspberry显示文摘Rosaceae is a large plant family consisting of many economically important fruit crops including peach,apple,pear,strawberry,raspberry,plum,and others.Investigations into their growth and development will promote both basic understanding and progress toward increasing fruit yield and quality.With the ever-increasing high-throughput sequencing data of Rosaceae,comparative studies are hindered by inconsistency of sample collection with regard to tissue,stage,growth conditions,and by vastly different handling of the data.Therefore,databases that enable easy access and effective utilization of directly comparable transcript data are highly desirable.Here,we describe a database for comparative analysis,ROsaceae Fruit Transcriptome database(ROFT),based on RNA-seq data generated from the same laboratory using similarly dissected and staged fruit tissues of four important Rosaceae fruit crops:apple,peach,strawberry,and red raspberry.Hence,the database is unique in allowing easy and robust comparisons among fruit gene expression across the four species.ROFT enables researchers to query orthologous genes and their expression patterns during different fruit developmental stages in the four species,identify tissue-specific and tissue-/stage-specific genes,visualize and compare ortholog expression in different fruit types,explore consensus co-expression networks,and download different data types.The database provides users access to vast amounts of RNA-seq data across the four economically important fruits,enables investigations of fruit type specification and evolution,and facilitates the selection of genes with critical roles in fruit development for further studies. | Muzi Li Stephen M.Mount Zhongchi Liu | 2023 | Horticulture Research2023，10，12： | 0 |
| 20 | Assembly and annotation of Fragaria vesca‘Yellow Wonder'genome,a model diploid strawberry for molecular genetic research显示文摘Fragaria vesca,a wild diploid strawberry,serves as a fundamental research model for cultivated strawberry.The current reference genomes available are limited to two closely-related accessions,Hawaii 4 and CFRA2339.The widely-used model accession‘Yellow Wonder'does not yet have its reference genome.In this study,the genome of a 7^(th) generation inbred'Yellow Wonder'was assembled using a combination of Oxford Nanopore long reads and Illumina short reads.The de novo chromosome-scale assembly of this 220 megabase genome possesses 34,007 genes which were annotated through lift over from the Hawaii 4 genome annotation.Genome comparisons show that the‘Yellow Wonder'genome is relatively distinct from the two previously published F.vesca accessions,Hawaii 4 and CFRA2339.The availability of a‘Yellow Wonder'reference genome adds another important genomic resource to Fragaria vesca and enables rapid research progress in strawberry. | Dirk Joldersma Norah Sadowski Winston Timp Zhongchi Liu | 2022 | Fruit Research2022，2，1： | 0 |
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