In spring 2014, The DARWIN21 team explore the south part of Saudi Arabia and collected a number of desert pioneer plant for microbe research. The team visited Jizan Region. (Arabic: جيزان Jizān) is the second smallest (after Al Bahah) region of Saudi Arabia. It stretches 300 km along the southern Red Sea coast, just north of Yemen. The site at Jizan contained coarse-sandy soil with neutral pH of 7.19