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  • Article |

    The zygote’s genome is a combination of both the maternal and paternal genomes. Researchers previously found that the maternal and paternal genomes contribute equally to the transcriptome of early plant embryos. However, now Zhao et al. show a strong single parental effect on the development of the basal cell lineage of early proembryos in Arabidopsis.

    • Peng Zhao
    • , Xuemei Zhou
    • , Yifan Zheng
    • , Yanru Ren
    •  & Meng-xiang Sun
  • Article |

    In maize, a comprehensive set of approaches enabled the authors to analyse the biosynthetic pathway of the zealexin group of terpenoids and characterize the role of these antibiotic compounds in disease resistance.

    • Yezhang Ding
    • , Philipp R. Weckwerth
    • , Elly Poretsky
    • , Katherine M. Murphy
    • , James Sims
    • , Evan Saldivar
    • , Shawn A. Christensen
    • , Si Nian Char
    • , Bing Yang
    • , Anh-dao Tong
    • , Zhouxin Shen
    • , Karl A. Kremling
    • , Edward S. Buckler
    • , Tom Kono
    • , David R. Nelson
    • , Jörg Bohlmann
    • , Matthew G. Bakker
    • , Martha M. Vaughan
    • , Ahmed S. Khalil
    • , Mariam Betsiashvili
    • , Keini Dressano
    • , Tobias G. Köllner
    • , Steven P. Briggs
    • , Philipp Zerbe
    • , Eric A. Schmelz
    •  & Alisa Huffaker
  • Article
    | Open Access

    Climate-resilient crops are essential for farmers to adapt to climate change. This scoping review identifies extension services and outreach as the most important factors for their adoption by small-scale producers in low- and middle-income countries.

    • Maricelis Acevedo
    • , Kevin Pixley
    • , Nkulumo Zinyengere
    • , Sisi Meng
    • , Hale Tufan
    • , Karen Cichy
    • , Livia Bizikova
    • , Krista Isaacs
    • , Kate Ghezzi-Kopel
    •  & Jaron Porciello
  • Article
    | Open Access

    Livestock support the livelihoods of a billion people in Africa, Asia and Latin America, and improved feeding could increase productivity. However, this scoping review highlights serious gaps in evidence around the adoption of new feeding practices.

    • Isabelle Baltenweck
    • , Debbie Cherney
    • , Alan Duncan
    • , Erin Eldermire
    • , Edda Tandi Lwoga
    • , Ricardo Labarta
    • , Elizaphan James Oburu Rao
    • , Steven Staal
    •  & Nils Teufel
  • Article |

    Cell polarity that requires asymmetrical distribution of cellular components is important for plant growth and development. Here the authors identify a group of ARMADILLO domain proteins that collectively act in the polarized cell expansion of tip-growing cells by recruiting Rho of plant 1 (ROP1) enhancer GTPase-activating proteins and therefore ROP signalling to distinct plasma membrane sites.

    • Ivan Kulich
    • , Frank Vogler
    • , Andrea Bleckmann
    • , Philipp Cyprys
    • , Maria Lindemeier
    • , Ingrid Fuchs
    • , Laura Krassini
    • , Thomas Schubert
    • , Jens Steinbrenner
    • , Jim Beynon
    • , Pascal Falter-Braun
    • , Gernot Längst
    • , Thomas Dresselhaus
    •  & Stefanie Sprunck
  • Article |

    The structure of a complex of native plant photosystem I, its electron donor plastocyanin and acceptor ferredoxin, has been solved using a new cryo-EM technique, revealing the contact sites and modes of interaction between the interacting electron carriers.

    • Ido Caspy
    • , Anna Borovikova-Sheinker
    • , Daniel Klaiman
    • , Yoel Shkolnisky
    •  & Nathan Nelson
  • Article |

    Ammonium and nitrate are the two major forms of inorganic nitrogen in soils. Ammonium shapes root architecture of plants by triggering lateral root branching. Here the researchers investigated the mechanism involving pH-dependent import of protonated auxin into the cortical and epidermal cells overlaying lateral root primordia.

    • Markus Meier
    • , Ying Liu
    • , Katerina S. Lay-Pruitt
    • , Hideki Takahashi
    •  & Nicolaus von Wirén
  • Article |

    Fluorescent in situ hybridization is used to identify the subcellular location of mRNAs encoding core photosystem subunits in cyanobacteria. They are clustered at thylakoid surfaces, near the central cytoplasm and nucleoid, by mRNA-binding proteins.

    • Moontaha Mahbub
    • , Luisa Hemm
    • , Yuxiao Yang
    • , Ramanpreet Kaur
    • , Helder Carmen
    • , Christoph Engl
    • , Tuomas Huokko
    • , Matthias Riediger
    • , Satoru Watanabe
    • , Lu-Ning Liu
    • , Annegret Wilde
    • , Wolfgang R. Hess
    •  & Conrad W. Mullineaux
  • Article |

    Analyses of the topologically associated domains (TADs) in Marchantia polymorpha revealed a type of TCP1-rich TAD that regulates the activities of TCP1 transcription factors in modulating target gene expression.

    • Ezgi Süheyla Karaaslan
    • , Nan Wang
    • , Natalie Faiß
    • , Yuyu Liang
    • , Sean A. Montgomery
    • , Sascha Laubinger
    • , Kenneth Wayne Berendzen
    • , Frédéric Berger
    • , Holger Breuninger
    •  & Chang Liu
  • Article |

    Metagenomic analysis has uncovered a previously uncharacterized clade of Rubisco related to form I Rubisco found in plants and cyanobacteria. Structural and kinetic data show how this proto-form I Rubisco assembles and functions without small subunits.

    • Douglas M. Banda
    • , Jose H. Pereira
    • , Albert K. Liu
    • , Douglas J. Orr
    • , Michal Hammel
    • , Christine He
    • , Martin A. J. Parry
    • , Elizabete Carmo-Silva
    • , Paul D. Adams
    • , Jillian F. Banfield
    •  & Patrick M. Shih
  • Article |

    One important direction to reduce the application of nitrogen fertilizer is to improve nitrogen use efficiency (NUE) of crops. Now an interesting strategy that engineers the transporter responsible for source-to-sink nitrate remobilization is employed to generate transgenic Arabidopsis, tobacco and rice lines with enhanced NUE and plant yield.

    • Kuo-En Chen
    • , Hui-Yu Chen
    • , Ching-Shan Tseng
    •  & Yi-Fang Tsay
  • Article |

    This study developed xiaomi, a mini foxtail millet mutant, as a C4 model plant that has a short life cycle and small stature. To further enhance its model plant function, xiaomi’s genome was sequenced and an efficient transformation system was established.

    • Zhirong Yang
    • , Haoshan Zhang
    • , Xukai Li
    • , Huimin Shen
    • , Jianhua Gao
    • , Siyu Hou
    • , Bin Zhang
    • , Sean Mayes
    • , Malcolm Bennett
    • , Jianxin Ma
    • , Chuanyin Wu
    • , Yi Sui
    • , Yuanhuai Han
    •  & Xingchun Wang
  • Article |

    TERMINAL FLOWER1 (TFL1) is key factor that controls flowering time and inflorescence meristem identity. Here, the researchers assign a new role to TFL1 of seed size determination by regulating the timing of endosperm cellularization.

    • Bin Zhang
    • , Chengxiang Li
    • , Yan Li
    •  & Hao Yu
  • Article
    | Open Access

    Two high-quality nanopore genome assemblies of Brassica nigra are reported, one of which has particularly high contiguity with a contig N50 of 17.1 Mb, allowing localization of active centromeres and reconstruction of the ancestral Brassica genome.

    • Sampath Perumal
    • , Chu Shin Koh
    • , Lingling Jin
    • , Miles Buchwaldt
    • , Erin E. Higgins
    • , Chunfang Zheng
    • , David Sankoff
    • , Stephen J. Robinson
    • , Sateesh Kagale
    • , Zahra-Katy Navabi
    • , Lily Tang
    • , Kyla N. Horner
    • , Zhesi He
    • , Ian Bancroft
    • , Boulos Chalhoub
    • , Andrew G. Sharpe
    •  & Isobel A. P. Parkin
  • Article |

    The introduction of combinations of enzymes of cyanobacterial, red algal and plant origin into Nicotiana tabacum increases photosynthetic carbon assimilation, biomass accumulation and water-use efficiency, under both glasshouse and field conditions.

    • Patricia E. López-Calcagno
    • , Kenny L. Brown
    • , Andrew J. Simkin
    • , Stuart J. Fisk
    • , Silvere Vialet-Chabrand
    • , Tracy Lawson
    •  & Christine A. Raines
  • Article |

    When root stem cells are destroyed, the remaining neighbour cells accumulate auxin to prepare for regeneration. Where does this auxin come from? Using genetic and pharmacological approaches, the authors show that auxin is synthesized locally and not transported from elsewhere.

    • Rotem Matosevich
    • , Itay Cohen
    • , Naama Gil-Yarom
    • , Abelardo Modrego
    • , Lilach Friedlander-Shani
    • , Carla Verna
    • , Enrico Scarpella
    •  & Idan Efroni
  • Article |

    The Arabidopsis SWI/SNF complexes regulate chromatin structure and gene expression, and contain many subunits, including BRAHMA. Two homologous BRAHMA-interacting proteins, namely BRIP1 and BRIP2, are identified as new core subunits of the SWI/SNF complex.

    • Yaoguang Yu
    • , Zhenwei Liang
    • , Xin Song
    • , Wei Fu
    • , Jianqu Xu
    • , Yawen Lei
    • , Liangbing Yuan
    • , Jiuxiao Ruan
    • , Chen Chen
    • , Wenqun Fu
    • , Yuhai Cui
    • , Shangzhi Huang
    •  & Chenlong Li
  • Article |

    The green alga, Chlorella ohadii, can survive under desert conditions of extreme irradiance. Redox proteomics, transcriptomics, metabolomics and lipidomics uncover how C. ohadii can absorb and use the sudden excesses of reducing power and carbon.

    • Haim Treves
    • , Beata Siemiatkowska
    • , Urszula Luzarowska
    • , Omer Murik
    • , Noe Fernandez-Pozo
    • , Thiago Alexandre Moraes
    • , Alexander Erban
    • , Ute Armbruster
    • , Yariv Brotman
    • , Joachim Kopka
    • , Stefan Andreas Rensing
    • , Jedrzej Szymanski
    •  & Mark Stitt
  • Article |

    A newly identified RNA-binding protein is dephosphorylated after immunity-induced Pep1 perception in Arabidopsis and maize. This modification induces alternative splicing-mediated production of a truncated CPK28 kinase with reduced activity, which increases PEPR signalling capacity.

    • Keini Dressano
    • , Philipp R. Weckwerth
    • , Elly Poretsky
    • , Yohei Takahashi
    • , Carleen Villarreal
    • , Zhouxin Shen
    • , Julian I. Schroeder
    • , Steven P. Briggs
    •  & Alisa Huffaker
  • Article |

    SERRATE (SE) is an RNA processing factor that regulates plant growth and development starting from the embryo stage. Here, interacting partners of SE that are also the key components of the ubiquitin-independent 20S proteasome are identified and characterized to play important roles in regulating SE degradation and RNA metabolism in Arabidopsis.

    • Yanjun Li
    • , Di Sun
    • , Zeyang Ma
    • , Karissa Yamaguchi
    • , Lin Wang
    • , Songxiao Zhong
    • , Xingxing Yan
    • , Baoshuan Shang
    • , Yukihiro Nagashima
    • , Hisashi Koiwa
    • , Jiajia Han
    • , Qi Xie
    • , Mingguo Zhou
    • , Zhiye Wang
    •  & Xiuren Zhang
  • Article |

    In Arabidopsis and tomato, exudation of myo-inositol by roots is epigenetically controlled by DNA demethylases and is involved in the beneficial recruitment of growth-promoting rhizobacteria.

    • Juan I. Vílchez
    • , Yu Yang
    • , Danxia He
    • , Hailing Zi
    • , Li Peng
    • , Suhui Lv
    • , Richa Kaushal
    • , Wei Wang
    • , Weichang Huang
    • , Renyi Liu
    • , Zhaobo Lang
    • , Daisuke Miki
    • , Kai Tang
    • , Paul W. Paré
    • , Chun-Peng Song
    • , Jian-Kang Zhu
    •  & Huiming Zhang
  • Article |

    The cucumber TCP transcription factor TEN regulates tendril identity by acting as both an intragenic enhancer-binding protein and a non-canonical histone acetyltransferase that modifies histones, loosens chromatin and thus activates target genes.

    • Xueyong Yang
    • , Jianbin Yan
    • , Zhen Zhang
    • , Tao Lin
    • , Tongxu Xin
    • , Bowen Wang
    • , Shenhao Wang
    • , Jicheng Zhao
    • , Zhonghua Zhang
    • , William J. Lucas
    • , Guohong Li
    •  & Sanwen Huang
  • Article |

    High-resolution atomic force microscopy is used to visualize photosynthetic supercomplexes within the thylakoid membranes of a cyanobacterium. The organizational variability of these supercomplexes permits efficient linear and cyclic electron transport as well as bioenergetic regulation.

    • Long-Sheng Zhao
    • , Tuomas Huokko
    • , Sam Wilson
    • , Deborah M. Simpson
    • , Qiang Wang
    • , Alexander V. Ruban
    • , Conrad W. Mullineaux
    • , Yu-Zhong Zhang
    •  & Lu-Ning Liu
  • Article |

    The nuclear envelope (NE) separates the nucleoplasm from the cytoplasm in all eukaryotic cells. The plant NE displays a similar structure but different protein compositions compared with the animal NE. Here the researchers identify ~200 protein candidates that reside in the NE of Arabidopsis cells. Among the candidates, they characterize a critical protein that is associated with the nuclear pore complex.

    • Yu Tang
    • , Aobo Huang
    •  & Yangnan Gu
  • Article |

    Time-resolved fluorescence spectroscopy shows that Photosystem I (PSI) in vivo does not consist only of a core complex and four external antennae, but also binds light-harvesting complex II (LHCII). The number of LHCII subunits per PSI is species-dependent, varying between one and three.

    • Volha U. Chukhutsina
    • , Xin Liu
    • , Pengqi Xu
    •  & Roberta Croce
  • Article |

    The meiocyte-specific histone reader MMD1 competes with the C-terminal domain of the histone demethylase JMJ16 for binding to its catalytic domain, expanding the substrate specificity of JMJ16 from H3K4 alone in somatic cells to both H3K4 and H3K9 in meiocytes.

    • Jun Wang
    • , Chaoyi Yu
    • , Shuaibin Zhang
    • , Juanying Ye
    • , Hang Dai
    • , Hongkuan Wang
    • , Jiyue Huang
    • , Xiaofeng Cao
    • , Jinbiao Ma
    • , Hong Ma
    •  & Yingxiang Wang
  • Article |

    Photosynthesis in plants responds to light fluctuations and displays circadian rhythms in various aspects. Here a new regulator of photosynthetic rhythms is identified in rice and shown to control diurnal magnesium fluctuations in the chloroplast. Further engineering attempts yield enhanced rice growth and photosynthesis.

    • Jian Li
    • , Kengo Yokosho
    • , Sheng Liu
    • , Hong Rui Cao
    • , Naoki Yamaji
    • , Xin Guang Zhu
    • , Hong Liao
    • , Jian Feng Ma
    •  & Zhi Chang Chen
  • Article |

    A study shows that RNA-directed DNA methylation target loci in Arabidopsis can be classified into two groups—remethylable and non-remethylable loci—characterized by different histone and DNA methylation marks that determine the ability of these loci to form stable epialleles.

    • Jingwen Li
    • , Dong-Lei Yang
    • , Huan Huang
    • , Guiping Zhang
    • , Li He
    • , Jia Pang
    • , Rosa Lozano-Durán
    • , Zhaobo Lang
    •  & Jian-Kang Zhu
  • Article |

    Intercropping can provide for agricultural intensification within a sustainable footprint. This study of Chinese methods finds yields four times greater than intercropping outside China with less land and fertilizer use.

    • Chunjie Li
    • , Ellis Hoffland
    • , Thomas W. Kuyper
    • , Yang Yu
    • , Chaochun Zhang
    • , Haigang Li
    • , Fusuo Zhang
    •  & Wopke van der Werf
  • Article |

    Defence genes must be switched off when pathogen pressure is weak to favour growth and development programmes. Three RNA helicases participate in this repression by controlling how stress-specific mRNAs are stabilized and translated.

    • Thanin Chantarachot
    • , Reed S. Sorenson
    • , Maureen Hummel
    • , Haiyan Ke
    • , Alek T. Kettenburg
    • , Daniel Chen
    • , Karen Aiyetiwa
    • , Katayoon Dehesh
    • , Thomas Eulgem
    • , Leslie E. Sieburth
    •  & Julia Bailey-Serres
  • Article |

    The authors investigate the mechanisms behind floral arrest in Arabidopsis. Despite what was previously believed, they show that it is not a global process but a locally regulated mechanism, driven by the export of auxin from fertile fruits.

    • Alexander Ware
    • , Catriona H. Walker
    • , Jan Šimura
    • , Pablo González-Suárez
    • , Karin Ljung
    • , Anthony Bishopp
    • , Zoe A. Wilson
    •  & Tom Bennett
  • Article |

    RuBisCO is believed to be the most abundant enzyme on earth, and catalyses a critical step in carbon fixation. Assisted by different assembly factors, including Raf1, RuBisCO assembles into the holoenzyme comprising eight large subunits (RbcL) and eight small subunits (RbcS). Here, the researchers resolve high-resolution protein structures of the cyanobacterial RuBisCO octameric complex that reflect different steps of its assembly.

    • Ling-Yun Xia
    • , Yong-Liang Jiang
    • , Wen-Wen Kong
    • , Hui Sun
    • , Wei-Fang Li
    • , Yuxing Chen
    •  & Cong-Zhao Zhou
  • Article |

    The shape of plant organs shows low variability. Sepals of the same age look the same. Here the authors identify one transcription factor (DRMY1) crucial for sepal size reproducibility, and its effect on initiation timing and growth of the organ.

    • Mingyuan Zhu
    • , Weiwei Chen
    • , Vincent Mirabet
    • , Lilan Hong
    • , Simone Bovio
    • , Soeren Strauss
    • , Erich M. Schwarz
    • , Satoru Tsugawa
    • , Zhou Wang
    • , Richard S. Smith
    • , Chun-Biu Li
    • , Olivier Hamant
    • , Arezki Boudaoud
    •  & Adrienne H. K. Roeder
  • Article |

    While numerous explanations for reduced pest incidence in organic farms have been noted, plant resistance remains understudied. This article demonstrates tomato resistance to leafhoppers through soil and microbial health.

    • Robert Blundell
    • , Jennifer E. Schmidt
    • , Alexandria Igwe
    • , Andrea L. Cheung
    • , Rachel L. Vannette
    • , Amélie C. M. Gaudin
    •  & Clare L. Casteel
  • Article |

    A reconstruction of the genomic history of japonica and indica rice over 9,000 yr with geographic, environmental, archaeobotanical and paleoclimate data.

    • Rafal M. Gutaker
    • , Simon C. Groen
    • , Emily S. Bellis
    • , Jae Y. Choi
    • , Inês S. Pires
    • , R. Kyle Bocinsky
    • , Emma R. Slayton
    • , Olivia Wilkins
    • , Cristina C. Castillo
    • , Sónia Negrão
    • , M. Margarida Oliveira
    • , Dorian Q. Fuller
    • , Jade A. d’Alpoim Guedes
    • , Jesse R. Lasky
    •  & Michael D. Purugganan
  • Article |

    Plant leaf structure is classified as either simple or compound. A simple leaf is a single leaf, whereas a compound leaf is composed of several leaflets emerging from a single compound leaf primordia. Liangliang He, Yu Liu and colleagues have identified a regulator of compound leaf formation in Medicago truncatula, leading to the discovery of an undefined class of eudicot-specific BEL1-like homeodomain proteins and a molecular framework controlling trifoliate leaf patterning.

    • Liangliang He
    • , Yu Liu
    • , Hua He
    • , Ye Liu
    • , Jinfeng Qi
    • , Xiaojia Zhang
    • , Youhan Li
    • , Yawen Mao
    • , Shaoli Zhou
    • , Xiaoling Zheng
    • , Quanzi Bai
    • , Baolin Zhao
    • , Dongfa Wang
    • , Jiangqi Wen
    • , Kirankumar S. Mysore
    • , Million Tadege
    • , Yongmei Xia
    •  & Jianghua Chen
  • Article |

    The PDK1 lipid-dependent kinase controls PIN1 and auxin transport through a phosphorylation cascade that includes AGC-type kinase D6PK. The double pdk1 mutant reveals auxin-related phenotypes such as reduced gravitropism and lateral roots.

    • Shutang Tan
    • , Xixi Zhang
    • , Wei Kong
    • , Xiao-Li Yang
    • , Gergely Molnár
    • , Zuzana Vondráková
    • , Roberta Filepová
    • , Jan Petrášek
    • , Jiří Friml
    •  & Hong-Wei Xue
  • Article |

    The authors demonstrate the negative role of GOLVEN peptides during lateral root initiation in Arabidopsis, at the very early stage of the first asymmetric cell division of lateral root founder cells, and identify the receptors for these peptides.

    • Ana I. Fernandez
    • , Nick Vangheluwe
    • , Ke Xu
    • , Joris Jourquin
    • , Lucas Alves Neubus Claus
    • , Stefania Morales-Herrera
    • , Boris Parizot
    • , Hugues De Gernier
    • , Qiaozhi Yu
    • , Andrzej Drozdzecki
    • , Takanori Maruta
    • , Kurt Hoogewijs
    • , Willem Vannecke
    • , Brenda Peterson
    • , Davy Opdenacker
    • , Annemieke Madder
    • , Zachary L. Nimchuk
    • , Eugenia Russinova
    •  & Tom Beeckman
  • Article |

    Global meta-analysis of plant species diversity effects on trophic levels of ecosystem functioning, finding beneficial impacts from increased diversity.

    • Nian-Feng Wan
    • , Xiang-Rong Zheng
    • , Li-Wan Fu
    • , Lars Pødenphant Kiær
    • , Zhijie Zhang
    • , Rebecca Chaplin-Kramer
    • , Matteo Dainese
    • , Jiaqi Tan
    • , Shi-Yun Qiu
    • , Yue-Qing Hu
    • , Wei-Dong Tian
    • , Ming Nie
    • , Rui-Ting Ju
    • , Jian-Yu Deng
    • , Jie-Xian Jiang
    • , You-Ming Cai
    •  & Bo Li
  • Article |

    The structures of four plant phytochrome sensory modules, including an A-type phytochrome, illuminate the function of these red/far-red photoreceptors and suggest the existence of a nuclear localization signal specific to the phytochrome A lineage.

    • Soshichiro Nagano
    • , Kaoling Guan
    • , Sintayehu Manaye Shenkutie
    • , Christian Feiler
    • , Manfred Weiss
    • , Anastasia Kraskov
    • , David Buhrke
    • , Peter Hildebrandt
    •  & Jon Hughes
  • Article |

    Heat stress damages photosystems, especially photosystem II (PSII), thus affecting photosynthetic efficiency. To counteract the thermal damage, a new bioengineering strategy is introduced by expressing a PSII subunit D1 under the control of a heat-responsive promoter in the nuclear genome. The strategy has been tested and found to be effective in Arabidopsis, tobacco and rice.

    • Juan-Hua Chen
    • , Si-Ting Chen
    • , Ning-Yu He
    • , Qing-Long Wang
    • , Yao Zhao
    • , Wei Gao
    •  & Fang-Qing Guo
  • Article |

    A novel optical sensor for hydrogen peroxide, based on DNA-wrapped single wall carbon nanotubes, is developed and validated in plants. It can be used in non-model species to study the kinetics of systemic H2O2 propagation in response to wounding.

    • Tedrick Thomas Salim Lew
    • , Volodymyr B. Koman
    • , Kevin S. Silmore
    • , Jun Sung Seo
    • , Pavlo Gordiichuk
    • , Seon-Yeong Kwak
    • , Minkyung Park
    • , Mervin Chun-Yi Ang
    • , Duc Thinh Khong
    • , Michael A. Lee
    • , Mary B. Chan-Park
    • , Nam-Hai Chua
    •  & Michael S. Strano
  • Article |

    Apertures are thin areas on the wall of pollen grains where pollen tubes can penetrate. The number and configuration of pollen apertures vary drastically in different plant species. Here, Xu Zhang and colleagues identify a novel aperture factor that is essential for the formation of pollen aperture and for reproduction in rice.

    • Xu Zhang
    • , Guochao Zhao
    • , Qian Tan
    • , Hui Yuan
    • , Natalie Betts
    • , Lu Zhu
    • , Dabing Zhang
    •  & Wanqi Liang