<<

1%

pond

Distribution

Microbial

of

Great

Jackie

of

Diversity

Sippewissett

Cytophagales

Aislabie

Course,

Salt

1999.

in

Marsh.

a tidal

S

diluting

colonies phase

gliding

Thin Plates

distilled

or

seawater

pond

supplemented

Bacteria Direct

or

Materials

mussels

combination

distribution to

of

belonging

Great

Cloning

Flexibacter

,

almost

fermentative.

shaped

Flexibacter

soil,

The

Introduction

primers

1998).

extract mud.

the

DNA

The

Abstract

tidal

cultured

which

flavobacterium-

spreading

microscopy

fresh

distribution

were

mud

Sippewissett

isolation

was

All

pond

,

gliding

always

Within

water

and

as

onto

capable

medium

supplied

and

specific

to

and

to

are

carbon

strains

isolates

extracted

incubated

and

berries.

in

are

mud. are

of

filamentous

sequencing

of

the

with

seawater

Because

and

Methods

colonies

with

marine this

of

colonies

sterile

phylogenetic

Cytop

marine

best

were

frequently

of

to

Cytophagales

gelatin,

contained:

for

of

as

Dilutions

and of

700

gliding

either

division

the

degrading

division

Salt

grew

a

the

Cytophagafermentans, Cytophagales

from

carbon

known

yellow,

ha

at

nitrogen

purified

ml

of

flavobacterium-cytophaga

medium

facultatively

in

seawater

water

gales,

Marsh

presence

of

room

were

chitin,

tryptone-yeast

their

seawater.

on

sterile

bacteria.

bacteria

berries,

isolated

1

is

of

0.5

members

6S

for

sourcel6S

low

and

biomacromolecules orange

one

homogenised

and

removed temperature

source

gliding

(Banin

group

by

(Seitz

in

rDNA agar

g/l

with

their

seawater

of

were

isolation of

pond

from

nutrient

K 2 HPO 4

particular

either

in

sewage

For

from

gliding,

Most

and

the

anaerobic

or

tryptone-yeast

were

at

of

ability

et

a

extracted

1997).

motility

extract,

red

chitin mud

rDNA

environmental

tidal

spread

a

from

xylan.

major

the

at.

natural

and

final

streaking

are

under

isolated

seawater

pigmentation.

techniques

treatment

washed

1

rod-shaped C.

1993)

genera

and

to

pond

The

then

gliding

g/l

containing

isolation

lineages

salmonicolor

concentration

their

in

cellulose,

.

from

obligately

degrade

onto

branch

NH 4 C1,

and

water.

were

aerobic

clones

the

plating

revealed

containing

berries,

from

Cytophaga,

extract

inocula

colonies

agar

berries

modified

.

bacteria,

low

extracts

samples

were

isolated

of

to

plates

Gliding

of

To biomacromolecules

plates 16 obtained

or berry

and The

onto

bacteria

plates

filamentous

the

berry

as

aerobic,

nutrient

g/l the

xylan

from from

and

applied

investigate

of

They

are

anaerobic genera

Cytophagales.

berries

and

marine

carbon

were

agar

ecosystems

directly

NH 4 C1

rinse

0.2-0.5%

in

presence

Flavobacterium,

bacteria

C.

rinse

thin

with

a

were

as

the

(Hugenholtz

a

examined

are

agarovorans,

tidal

(Difco),

to

amplified

seawater

water

carbon

but

Cytophaga

tidal

and

agar

was

source

bacteria.

water

was

tryptone-yeast

edge

from

most

gliding,

mud,

conditions. belonging

pond

further

(w/v).

of

spreading,

some

(Difco).

examined.

omitted.

including

and

pond,

bacteria

300

source, or

such

of

berries

similar

or

water,

using

of

tidal

agar

The

using

The

et

pond

the

rod-

ml

by

and

the

and

the

are

all

a!.

as

a to

Sequence analysis

yeast

for

gut

from

Four

Results

using

expected

31 mussel

DNA Extraction

Microbial

FISH

enrichment

An

specific

incubated

served medium

Enrichment

Whole Cultures

constructed

were

Sequence

and

the

Cytophagales

1,

strain

DNA

500

containing plates.

]6S

chitin,

(w/v) Isolates

9aF

growth.

(94°C,

contents

rRNA-targeted

forward

pond

isolates

30.

extract,

rDNA

16SrDNA

was

the

analysis

and

confirmed

35

was

cellfluoresecent

potassium

gut

as

xylan,

confirmed

The

size

Growth

for

supplemented

information

were

to

was

Diversity

1.5

with

TOPO

the

mud

data

and

extracted

source

None using

extracted

sequence

cultures

tryptone-yeast

using

or

cultures

and

of enrich

PCR

were

the

primer

mm;

reverse

amplified

and

screened

analysis

and

pond

shaking

and

was

(Figure

gliding

Bacterial

all

the

of

hydroxide.

under

TA by

Cytopha

of

neighbour

amplification

sent

laminarin

55°C,

the

course

oligonucleotide

that

counterstained

analysed

isolates may

the

for

for

from

water

from

31

inocula.

analysis

MoBio

from

primer

gel

for

eubacterial

with

at

2; of 9aF

bacteria in

fermentative

for

isolates

using

fermentative

cloning

anaerobic

a

isolates 1

room

DNA

situ

gales

Table electrophoresis

Sequencing

tidal

extract.

sequence

cultures

notes.

mm;

isolate

source

were

the

except

specific

joining.

0.2-0.5%

was

Their

Soil

1

using

ofpure

Tubes

the

492R.

hybridization

production

from

temperature.

pond

72°C,

cycling

produced

were

1).

was

unsuccessful.

kit

determined

universal

kit.

of

17

13,

reverse

using

35,

ability

with

programs

Attempts

analysis.

conditions

probe

PCR

environmental

gliding

for

was

(Invitrogen).

gliding

were

mud, cultures

obtained,

DNA

gliding

used

1

(w/v) kit

30

utilised

mm)

parameters

the

DAPI

the

of

products

to

(Applied

flexirubin

using

of

primer

and

filled

Flavo

water,

eubacterial

(FISH).

poor

was

on

bacteria.

chitin,

bacteria

grow

Prepman by

flavobacterium-cytophaga

flexirubin

x

to

from

bacteria

the

All

30,

35

two

using

was

comparison

isolates

isolate

amplified

the

to

quality,

labelled

1

carbohydrates

and

on

Clones

of

492R

(72°C,

were

ARB

belonged

samples

were

cellulose

Biosystems).

exclude

from

pigments.

determined

1kb

The

the

tryptone-yeast

the

primers

berries

were

by

gliding

method

cloned

and

as

and

were

however

isolates

berry

12

samples

methods

DNA

flooding

with

containing

using

follows:

with

oxygen.

mm)

established

or

a

to

to

and

used

8F

bacteria

phylogenetic

1

into

rinse

xylan

rhodamine

6S

from

cellulose

substrate-free

ladder

the

the

determine

Purified

grew

on

and

x

the

were

the

colonies

rDNA

described

Escherichia for

1.

extract,

(94°C,

forward

water

All

Cytophagales.

the

seawater

bacterium

inserts

and

1

contents

PCR

branch 492R

on

from

strains

prepared

size

in

MicroSeq

tubes

and

DNA

pond

tryptone

sequence

12

which

and

with

seawater

cellulose,

whether

products

tree

mussel

whereas

marker.

primer

of

chitin

in

mm)

control

13,

of

plates

were

of

two

mud

coli

did

from

the

was

20%

the

for

the

is

17

a x

the

evidence

the

amplify Molecular

Cytophagales

to

rarely

colonies

Cytophagales

strategy

common,

(Figure

berry

grew used

tidal

environment

Discussion

Studies

Sphingo

with

marine

maritimus

mud

A

29 their

gut

bacteria

flavobacteria-cytophaga DNA

observed.

Most

observations

stained pond

30-50% FISH

belonged

hybridise

the

specificity

four

l6S

belonged

contents.

as

pond

on

Flay

clone

similarity

observed rinse

mud

C. of

extracted

analysis

2).

rDNA

carbon

DNA

for

clones

bacterium

of

for

low

origin.

that

belonging

the

with

of

despite

probes

probe.

to

latercula

These

and

of

to

in when

water

obtaining

29

the

the

nutrient-seawater

cells

the

and

to

exhibit

of

(Manz

were

which

the

extracted

situ

the

phylogenetic

was

source,

the DAPI,

obtained

in

lack

to

the

the suggests

Isolates cells

and

Cytophagales

results

the

provide cellulose,

a

appeared

known

enrichment and

Great

spp.

Flay

bacterial

psychrophile

few

made

to

produced

probes

of

Cytophagales.

high

et

amplified

are

from

gliding

Cytophagales in

the

mud,

and

specificity

hybridised

gram-positive al.

from

indicate

probe

the

using

Sippewissett

specific

present

organisms

a

for

that

13

numbers

Cytophagales.

a

used

1996;

powerful chitin

to

tree

a

diversity enrichment

enriched

clone

enrichments

and

behaviour

(Figure

environmental

cultures

be

fermentative

plates,

the

(results

marine

when

from

is

that

Polaribacterfilamentus,

showing

in small,

Hugenholtz forward

or

of

35

of

319a

obtained.

to

DNA

of

from

xylan

determined

these

nature.

tool pre-enrichment

the

extreme

colonies

used

bacteria

3).

from reveal

Salt

grouped

Cytophagales

with

not

the

aquarium.

some

culture

F

may

tidal

was

for

the

The

the primer,

primers

with

Sequence

is

shown).

primer

Marsh,

Flay

for

high

the

Cytophagales

Furthermore,

supplied

Amongst

the

samples

the

environment.

et

positions

were

importance.

exclude

not

pond

isolates

(Bruns

indicative

cellulose

FISH

with

(Table

mud

a?., growing

numbers

study

probe

prevalance

indicates

can

successfully

and

Cytophagales

rod-shaped

Mud

mud,

was

1998).

of

observed

when

as

&

the

hybridises

be

analysis

grouped

the

the

subsequently

2).

of

samples

of

carbon

Berthe-Corti,

(Figure

or

inferred of

obtained

with

bacteria

whereas

water

The

of filamentous

Only

fish

population clone

isolates can

isolation

Alternatively

that

chitin

biomacromolecules

gliding

In

bacteria

of

in

xylan

31

but be

this

extracted

pathogen

with source.

indicating

may these

one

Cytophagales

and

enrichment

9a

to

2

from

were

29

(results

in enriched

for

isolate

few

13,

investigation

bacteria

F

of

members

a

of

sequenced

be

berries

Cytophagales

nature

as

that

samples

of

primer

four

clustered

1998).

the

30

this

bacteria

&

Approximately

filaments

isolated

a

many

carbon

bacteria

from

selection

worthwhile

Flexibacter

30

hybridised not

and

clones

b).

that

clones

study.

however

from

were

using

cultures

Further

used

grouped

shown).

of

of

contain

35

mussel

Similar

in

it

source

were

only

were

from

with

of

that

were

mud

the

the

not

tidal

Of

the and

and

also

to

of

the

of a

Microbiology

a

of Manz

FEMS

forming

Seitz

Hugenholtz

on

180: cultures

oligonucleotide Bruns,

macroscopic

Course,

Banin

References

tools

I

Tom

Acknowledgements those

opportunity

the

cloned In

one

some

suite

thank

the

summary,

the

Great

4765-4774.

was

W,

AP,

Schmidt

cloned

cases

Microbiology

of

emerging

A.;

U.

from

my

phylum

1997.

macroscopic

of

Amann

1

a

Sippewissett

Nielsen

6S

seawter

Berthe-Corti

group

P.;

1997.

less

Cytophagales.

to

this

previously

the

142:

aggregates

rRNA-specific

for

isolate

Goebel

probes.

than

evidence

R,

phylogenetic

environment.

cytophaga-flavobacter-

members

1097-1106.

increasing

Identification

TH,

sediment

Ludwig

Ecology

200

aggregates

further

B.M.;

Salt

Microbiology

from

Overmam

L.

base

in

indicates

The

Marsh.

for

W,

1998.

oligonucleotide

Great

12: this

strains

my

suspensions

Pace

pairs)

view

The

their

Vancanneyrt

lack

225-236.

in

understanding

environment.

of

N.R.

In

Bacteria

use

that

J.

Sippewissett

Great

must

help such

of

of

144:

the

situ

1993.

of

bacterial

Cytophagales

1998.

sequence

with

as

be

with

2783-2790.

bacteria

pre-erichment

Sippewissett

detection

isolated

M, C.

taken

probes

Physiology

this

Impact

fermentans,

fluorescently

Schleifer

of,

diversity.

Salt

into

information

project,

forming

and

thus

designed

of

in

are

of

consideration.

Marsh.

bacteria

confidence

Salt

far

techniques

the

culture-independent

K-H,

distributed

of

and

which

Journal

are

labelled

Marsh,

the

purple

to

natural

obtained

Scott

1996.

not

Microbial

investigate

in

are

“berries”-

the

of to

may

continuous-flow

in

Dawson

Massachusetts.

sulfur

Application

rRNA-directed

more

use

environment.

Bacteriology.

tidal

same

however

increase

molecular

Diversity

similar

bacteria

bacteria

ponds

as

studies

and

purple

those

of

the

Dr

(in

to of

Table c

b

a

Table

29 Xylan

27 similarity

33 26

Laminarin

tryptone-yeast

Clone

Chitin

Cellulose

Facultative

Growth

l6Sr

Isolated

Isolate#

Colony

means

Source

means means

DNA

2:

1:

#

no

not

growth

pigmentation

on:

on:

(%)

growth

done.

sequence

aerobes

Mud

Mud

Water

Mud

Source

known

Sequence

Gliding

extract

organisms

bacteria

similarity

Flavobacterium

(96%)

yellow

xylan

berries

+

+

+

+

+

13

isolated

of

Uncultured

Actinomycete

Chioroplast

Cytophagales

similarity)

Closest

clones

from

Laminarin

Yellow Berries

ND

ND

organism

+

+

+

obtained +

-

a

17

tidal

eubacterium

(98%)

(93%)

(97%)

pond

match

from

(95%)

Cytophaga

yellow-

orange

mud

cellulose +

-

+

+ +

30

(98%)

the

on

BLAST

tidal

Flexibacter

(9

xylan

yellow

mud

pond + - - -

-

35

1%)

search

with (%

Figure

Figure

Figure

3.

2.

1.

the

Phylogenetic

FISH

and

Cyt

Cytophagales

op

isolates

stained

ha

of

gales.

an

(13,

enrichment

with

tree

isolates

30

of

DAPI

and

selected

(a)

35)

culture

(a)

13

and

Cytophagales

and

and

mud

from

(b)

the

clone

17.

tidal

probe

29

pond

showing

to

flay

known

mud

that

the

grown

bacteria

is

relationship

specific

on

xylan

for of

4

4

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PC • Bacteriodes

uncultivated rumen bacteria Cophaga lanollca — WH99 r WH7O WH69 WH71 — CytFerme, Cytophaga fermentans, 1463 WH59 WH72 WH58 WH96 — WH65 WH91 F WH67 WH92 WH68 WH66 — WH94 AneMari2, “Anaerofiexus marltimus, 1386

- ..._w’

FixMari6, Flexibacter maritlmus, 1270 CytMarln, Cytophaga marina, 1240 strainl3, Berry Isolate strain35, Sippewissett tidal pond lsolat PbrFllam, Polaribacter filamentus, 1438 CytUilgl, Cytophaga uliglnosa, 1505 CytMari2, Cytophaga marmot lava , 1236 CytLytI2, Cytophaga lytlca, 1483 CytLate2, Cytophaga latercula , 1238 straln3o, Sippewissett tidal pond isolat 541Psyl 3, Marine psychrophlle 4, 1393 - CytMarl3, Cytophaga marmot lava, 1463 Cytophaga johnsonae

Chryseobacterium et a!.

Blattabacterium

SpgMizut, Flavobacterium mizutaii, 1245 FlaYabuu, Sphingobacterium spiritlvorum, 1250 SpgMuit2, Sphingobacterium muitivorum, 1231 mudclone29, Sippewlssett tidal pond clone l58Comit, “Candidatus comitans”, 1500 SpHea.hlngobacterIum heparinum, 1519

I WHO4 WHO3 .3...... Rhodothermus ChfAuran, Chloroflexus aurantlacus, 1413 — FusNecro, Fusobacterium necrophorum, 1467 SpcLitor, Spirochaeta litoralis, 1514

n-In