Image 1 (IMAGE) The University of Hong Kong Caption Upper panel: The process of foreign DNA microinjection and artificial chromosome formation in C. elegans in vivo. The cellular mechanism of de novo holocentromere formation on artificial chromosomes (current findings). Lower panel: The iterative process of designing, constructing, sequencing and analysing worm artificial chromosomes for phenotypic screening and other applications. (Image credit: Upper panel: Nucleic Acids Research, Lower panel: by Lin Zhongyang.) Credit The University of Hong Kong Usage Restrictions This work is licensed for non-commercial, non-exclusive, one-time usage with attribution to the copyright holder. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.