1. Plant sexual reproduction: perhaps the current plant two-sex model should be replaced with three- and four-sex models?

   • Scott T. Meissner

   Opinion Open access 02 July 2021 Pages: 175 - 189

   

2. Detection of a biolistic delivery of fluorescent markers and CRISPR/Cas9 to the pollen tube

   • Shiori Nagahara
   • Tetsuya Higashiyama
   • Yoko Mizuta

   Methods Paper Open access 19 June 2021 Pages: 191 - 205

   

3. Conserved, divergent and heterochronic gene expression during Brachypodium and Arabidopsis embryo development

   • Zhaodong Hao
   • Zhongjuan Zhang
   • Dolf Weijers

   Original Article Open access 05 May 2021 Pages: 207 - 224

   

4. A dynamic intron retention program regulates the expression of several hundred genes during pollen meiosis

   • Agnieszka A. Golicz
   • Annapurna D. Allu
   • Prem L. Bhalla

   Original Article 21 May 2021 Pages: 225 - 242

   

5. Loss of obligate crossovers, defective cytokinesis and male sterility in barley caused by short-term heat stress

   • Cédric Schindfessel
   • Zofia Drozdowska
   • Danny Geelen

   Original Article 22 May 2021 Pages: 243 - 253

   

6. Characterization of transcriptomic response in ovules derived from inter-subgeneric hybridization in Prunus (Rosaceae) species

   • Takuya Morimoto
   • Yuto Kitamura
   • Akihiro Itai

   Original Article 24 June 2021 Pages: 255 - 266