![](https://plantae.org/wp-content/uploads/2019/04/Sumio-Iwai-180x180.jpg)
Recognizing Plant Direct first authors: Sumio Iwai
Sumio Iwai, first author of Guard cell photosynthesis is crucial in abscisic acid-induced stomatal closure
Current Position: Professor Emeritus, Kagoshima University, Japan
Education: Ph.D. in Plant Nutrition, Agricultural Chemistry, Kyusyu University, Japan
Non-scientific Interests: Baseball,…
![](https://plantae.org/wp-content/uploads/2019/04/Anna-Block-180x180.jpg)
Recognizing Plant Direct first authors: Anna Katherine Block
Anna Katherine Block, first author of Specialized naphthoquinones present in Impatiens glandulifera extra-floral nectaries inhibit the growth of fungal nectar microbes
Current Position: Research Molecular Biologist, Chemistry Research Unit at the Center for Medical, Agricultural and Veterinary Entomology…