Diplonemid protists possess exotic endomembrane machinery, impacting models of membrane trafficking in modern and ancient eukaryotes
Current Biology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 1, 2025
Language: Английский
Mosaic evolution of eukaryotic carbon metabolism
Nature Ecology & Evolution,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 3, 2025
Language: Английский
Use their names: there are no basal, lower, or early diverging fungi
Mycologia,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 9
Published: Feb. 28, 2025
Fungal
biologists
have
embraced
phylogenies
for
understanding
the
biology
of
this
diverse
group
in
an
evolutionary
framework.
In
attempt
to
highlight
lineages
fungi
that
are
distinct
from
most
speciose
subphylum
Dikarya
(Ascomycota
+
Basidiomycota),
terms
"early
diverging
[lineages]"
and
"basal
fungi"
been
introduced,
typically
refer
any
phylum
outside
Dikarya.
However,
these
problematic,
because
they
implicitly
assume
traits
taxa
ancestral
by
invoking
a
"ladder
progress."
A
simple
rearrangement
tree
deemphasize
species-rich
shows
logic
branching"
or
"basal"
is
fallacy,
it
ignores
two
facts:
(i)
all
extant
evolved
equivalent
amount
time
since
last
common
fungal
ancestor,
(ii)
lineages"
no
more
related
each
other
than
To
support
many
mycologists
who
want
celebrate
understudied
while
ensuring
not
mistakenly
perceived
as
"less
evolved,"
"more
ancient,"
"lower
complexity,"
we
propose
community
abandon
simply
use
formal
taxonomic
names,
e.g.
Mucoromycota.
Doing
so
will
promote
knowledge
often
overlooked
branches
life.
Language: Английский
Sex differences in auditory function of the desert locust
Tom Austin,
No information about this author
C. L. Thomas,
No information about this author
Ben Warren
No information about this author
et al.
Hearing Research,
Journal Year:
2025,
Volume and Issue:
460, P. 109228 - 109228
Published: March 2, 2025
Language: Английский
Ancient Host-Virus Gene Transfer Hints at a Diverse Pre-LECA Virosphere
Journal of Molecular Evolution,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 29, 2025
Abstract
The
details
surrounding
the
early
evolution
of
eukaryotes
and
their
viruses
are
largely
unknown.
Several
key
enzymes
involved
in
DNA
synthesis
transcription
shared
between
large
phylum
Nucleocytoviricota
,
but
evolutionary
relationships
these
genes
remain
unclear.
In
particular,
previous
studies
eukaryotic
RNA
polymerases
often
show
deep-branching
clades
indicative
ancient
gene
exchange.
Here,
we
performed
updated
phylogenetic
analysis
viral
family
B
polymerases,
multimeric
mRNA-capping
to
explore
relationships.
Our
results
that
form
typically
adjacent
eukaryotes,
suggesting
they
originate
prior
emergence
Last
Eukaryotic
Common
Ancestor
(LECA).
machinery
for
replication,
transcription,
mRNA
capping
all
processes
needed
maintenance
virus
factories,
which
complex
structures
formed
by
many
nucleocytoviruses
during
infection,
indicating
capable
making
ancient.
These
findings
hint
at
a
diverse
pre-LECA
virosphere
indicate
may
encode
proteins
relics
extinct
proto-eukaryotic
lineages.
Language: Английский
Dynamic relocalization and divergent expression of a major facilitator carrier subfamily in diatoms
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 17, 2024
Abstract
Eukaryotic
organisms,
including
microbial
members
such
as
protists
and
green
algae,
utilise
suites
of
transporter
proteins
to
move
essential
metabolites
across
cell
organelle
membranes.
Amongst
these
different
families,
the
MCF
(Mitochondrial
Carrier
Family)
is
one
most
diverse,
encompassing
NAD+
ADP/
ATP
translocators,
well
amino
acid,
sugar
cofactor
transporters.
They
are
typically
associated
with
mitochondrial
inner
membrane
but
some
display
more
dynamic
localization.
Here,
we
perform
a
brief
census
domains
in
genome
model
diatom
alga
Phaeodactylum
tricornutum
,
identifying
new
family
three
(termed
here
elsewhere
“MCFc”)
strong
internal
sequence
conservation
limited
similarity
other
proteins.
Considering
both
phylogenetic
data
experimental
localization,
posit
that
MCFc
widespread
algae
complex
red
chloroplasts
alongside
primary
contains
multiple
sub-families
targeted
mitochondria,
plastids,
endomembranes.
Finally,
using
from
Tara
Oceans,
identify
putative
roles
for
cells,
probable
association
plastid-targeted
Phatr3_J46742
sub-family
cellular
nitrate
assimilation.
Our
provide
insights
into
evolutionary
diversification
transport
mechanisms
diatoms
eukaryotic
algae.
Language: Английский