1. Supplemental Web Fig. 2 mos10/mos10, grown on 100 mm plate SLAS27 medium, day 1

2. Supplemental Web Fig. 2 mos10/mos10, grown on 100 mm plate SLAS27 medium, day 2

3. Supplemental Web Fig. 2 mos10/mos10, grown on 100 mm plate SLAS27 medium, day 3

4. Supplemental Web Fig. 2 mos10/mos10, grown on 100 mm plate SLAS27 medium, day 4

5. Supplemental Web Fig. 2 mos10/mos10, grown on 100 mm plate SLAS27 medium, day 5

6. Supplemental Web Fig. 2 mos10/mos10, grown on 100 mm plate SLAS27 medium, day 6

7. Arrow:new focus of filament formation Supplemental Web Fig. 2 mos10/mos10, grown on 100 mm plate SLAS27 medium, day 7

8. Arrow:new focus of filament formation Supplemental Web Fig. 2 mos10/mos10, grown on 100 mm plate SLAS27 medium, day 8

9. Arrow:new focus of filament formation Supplemental Web Fig. 2 mos10/mos10, grown on 100 mm plate SLAS27 medium, day 9

10. Supplemental Web Fig. 2 mos10/mos10, grown on 100 mm plate SLAS27 medium, day 10

11. Supplemental Web Fig. 2 mos10/mos10, grown on 100 mm plate SLAS27 medium, day 11

12. Supplemental Web Fig. 2 mos10/mos10, grown on 100 mm plate SLAS27 medium, day 12

13. Supplemental Web Fig. 2 mos10/mos10, grown on 100 mm plate SLAS27 medium, day 13

14. Supplemental Web Fig. 2 mos10/mos10, grown on 100 mm plate SLAS27 medium, day 14

15. Supplemental Web Fig. 2 mos10/mos10, grown on 100 mm plate SLAS27 medium, day 15

16. Supplemental Web Fig. 2 mos10/mos10, grown on 100 mm plate SLAS27 medium, day 16

17. Supplemental Web Fig. 2 mos10/mos10, grown on 100 mm plate SLAS27 medium, day 17

18. Supplemental Web Fig. 2 mos10/mos10, grown on 100 mm plate SLAS27 medium, day 18

19. Supplemental Web Fig. 2 mos10/mos10, grown on 100 mm plate SLAS27 medium, day 19

20. Supplemental Web Fig. 2 mos10/mos10, grown on 100 mm plate SLAS27 medium, day 20

21. Supplemental Web Fig. 2 mos10/mos10, grown on 100 mm plate SLAS27 medium, day 21