Figure 6.15
 
137
Nematic Ordered Cellulose Templates
6.67 µm
750 nm
6.00 µm
1.20 µm
857 nm
1.50 µm
(a)
(c)
(e)
(f)
(b)
(d)
Figure 6.15
FE-SEM. images. of. the. cellulose. nanofiber. deposition. process.. (a–d). Examples. of. bacteria.
. synthesizing.cellulose.nanofibers.on.the.oriented.molecular.tracks.of.nematic.ordered.chitin.
template..(e,.f).Examples.indicate.self-rotation.of.a.G. xylinus.cell.
Figure 6.14..Once.again,.soon.jumping.off,.it.repeated.in.the.same.manner.
until.it.stopped.moving.
Figure 6.15a.shows.a.bacterium.in.contact.with.a.nematic.ordered.chitin.
template.that.was.moving.in.a.“waving”.fashion..During.the.moving.pattern,.
it.deposited.a.cellulose.nanofiber.that.relatively.flattened.due.to.interaction.
with. the. nematic. ordered. chitin. prior. to. the. curving. pattern. in. the. movement..In.the.FE-SEM.images.of.Figures 6.15a.and.6.15b,.the.dotted.. circle.indicates.the.area.where.the.interaction.between.the.fiber.and.template.occurred.
because.the.contrast.of.the.image.was.not.clear.when.compared.with.other.
areas.of.the.fiber.as.assimilated..Thus.such.an.interaction.may.be.a.trigger.for.
a.change.in.the.direction.of.the.bacterial.cell.
After. the. cell. “jumped. off”. the. tracks. on. the. oriented. chitin. template,.
it continued.to.secrete.its.cellulose.ribbon,.but.now.in.the.form.of.a.twisted.