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Data notizia: Wed, 27/03/2019 - 12:45
... activity must be somehow coordinate during organ growth. for plants, development is based on the activity of meristems, which is how the ... of two plant hormones, cytokinins and auxin." "it is therefore a
decisive discovery,
" concludes sabatini, "that opens up new ... https://doi.org/10.1016/j.cub.2019.02.022
further information
sabrina sabatini department of biology and biotechnology "charles ... with the university of pisa, represents an important step forward in understanding the mechanism of plant growth
how do plants grow? ...
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Data notizia: Wed, 06/02/2019 - 09:30
... day of the conference, dedicated to the writers who adopt for their works both the language of the country of election and that of ...
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... control. geographically, it was the first landing port for those sailing the tyrrhenian from the south. the sanctuary of pyrgi is one ... site has been used to train generations of italian and foreign archaeologists. i
n 2018, the site will be open from september 3 to ...
Notizia
Data notizia: Fri, 25/05/2018 - 12:00
... of the first paleolithic tools, and the use of fire for cooking food. conversely, comparing evolutionary rates of changes in the ... of more tough foods (seeds and tubers) in scattered forest environments and in the savannahs. subsequently, such changes would have ... 2018; 8: 7340. doi: 10.1038/s41598-018-25309-8
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giorgio manzi, department of environmental biology, sapienza ...
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... and inaf-iaps) and alessandro papitto (inaf-oar) observes for the first time a millisecond pulsar (psr j1023 + 0038) that emits periodic ... speed, equal to about 10% of the speed of light. "never before had this behaviour been recorded in a celestial object of this category: ...
Notizia
Data notizia: Tue, 03/10/2017 - 22:00
... and inaf-iaps) and alessandro papitto (inaf-oar) observes for the first time a millisecond pulsar (psr j1023 + 0038) that emits periodic ... speed, equal to about 10% of the speed of light. "never before had this behaviour been recorded in a celestial object of this category: ...
Notizia
Data notizia: Mon, 17/04/2017 - 22:00
... the approach commonly taken in trying to find treatments for the widespread neurodegenerative disease. in a domino effect, the death of ... marcello d'amelio. doi: 10.1038/ncomms14727
further information
stefano puglisi-allegra t (+39) 06 49917523 ...
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Data notizia: Thu, 19/05/2022 - 11:30
... marked both by significant ecosystem changes, especially in forested landscapes, and by heavy human persecution, which led to a dramatic demographic decline of the species. although the wolf is undoubtedly one of the most iconic ... the evolution of past populations of this species. for this reason, the fossil skull under study represented an exceptional and ... portion of the genome inherited only through the maternal lineage) of the specimen within the genetic variability of modern wolves, ... 2 of wolves, i.e. it is part of the oldest maternal lineages that all derive from a common ancestor. i
n europe, this ... persecution
perpetrated in the middle ages and, for western europe in particular, over the last 150 years. this ... archaeozoological samples represent an essential source of information for understanding the dynamics,
diversity and distribution of wolves between ...
Notizia
Data notizia: Thu, 04/11/2021 - 12:30
... by these populations. hyenas are commonly known
for their ability to break bones and feed on their contents
, and
... of bones as a food source, using lithic tools to break them. for this reason, the possible competition of these populations with the giant ... species were only able to spread to europe after the decline of the giant hyena and did not contribute to its extinction
." although ... specialised carnivores, such as sabre-toothed cats, declined or became extinct, while new and more adaptable species spread. these include the lineages of modern fallow and red deer, wild boars, and wolves, as well as ... "
studying the response of past ecosystems is crucial for critically interpreting the climate changes we are experiencing today
." ...
further information
alessio iannucci department of earth sciences ...
Notizia
Data notizia: Tue, 27/07/2021 - 12:15
... of study in bioarchaeology, proving to be a fundamental tool for research into the eating habits and lifestyle of people living in prehistoric times. during the process of tartar formation, the cells of the microorganisms that populate the oral cavity (the ... and their dna molecules can be trapped and preserved for millennia
. the study was published in the scientific journal pnas and ... a bacterial species that inhabit the oral cavity, the anaerolineaceae bacterium oral taxon 439,
we have been able to reconstruct the ... the same area, confirming the consumption of these species for food and/or technological purposes." previous studies have shown
that ... cristiani concludes: "this study represents a decisive step forward in the analysis of ancient tartar, although further investigations will ... 2021 https://doi.org/10.1073/pnas.2102116118
further information
emanuela cristiani department of oral and maxillo-facial sciences ...
Notizia
Data notizia: Fri, 18/01/2019 - 10:00
... saturn and its rings measured by nasa's cassini spacecraft before its deliberate plunge into the gas giant have revealed that the winds of the planet extend downwards by 9000 km and that the rings formed, at most, 100 million years ago. the results of this research, ... of rome, will be published on january 17 th in the online edition of
science.
the rings have long been saturn's most iconic ... shows that their origin is quite recent. in fact, saturn formed in the early stages of the solar system, about 4.5 billion years ago, ... of deposited impurities (the silicate particles) and therefore determine the time necessary for this to accumulate: between 10 and 100 million years. "the mass of the ... the research, that will be published on 17 january in the online edition of
science,
has been funded in part by the italian space ... of sapienza's researchers, now published on science online edition, are the last gift of cassini before its final plunge in ...
Notizia
Data notizia: Thu, 12/09/2024 - 11:45
...
which, if used without following the appropriate guidelines,
can have serious environmental impacts due to the possible direct or ...
mus domesticus)
and identified 6 new mutations never before found in domestic mice and 4 new mutations never before identified in rodents". the cooperation of several organisations, ... university is participating,
brought to light the need for a more conscious use of rodenticides to enable effective management of ...
further information
riccardo castiglia department of biology and biotechnology charles ...
Notizia
Data notizia: Tue, 07/11/2023 - 13:45
... environmental conditions (sometimes extreme), and are therefore also very sensitive to climate change.
bristle flies or tachinid flies ... which they are parasites
. some species show a preference for specific hosts, while others are broadly generalists". a new study, ... species have spread rapidly over the same period.
"the decline observed in high-altitude specialist flies," adds luca santini, co-author ... https://doi.org/10.1073/pnas.2308273120
further information
moreno di marco department of biology and biotechnology charles ... with sapienza museum of zoology, has shown that the decline of bristle flies due to climate change poses a risk to the entire mountain ...
Notizia
Data notizia: Tue, 12/09/2023 - 12:00
... a whole. 'this study,' says raffaele dello ioio, 'is seminal for the future
production of plants resistant to high salt concentrations
... https://doi.org/10.1038/s42003-023-05201-6
further information
raffaele dello ioio charles darwin department of biology and ...
Notizia
Data notizia: Tue, 18/04/2023 - 12:00
... pain. to date, the mechanisms underlying this phenomenon, for which no reliable instrumental measurement is available, are still unclear. ... between the spinal cord, cerebellum and the reticular formation of the brainstem. the paper, which clarifies relevant ... between the spinal cord, cerebellum and the reticular formation of the brainstem." parkinson's disease is a neurodegenerative ... general population (about 300,000 patients in italy) and, unfortunately, is constantly growing, according to the latest estimates of the ... https://doi.org/10. 1093/brain/awad114
further information
antonio suppa department of human neuroscience ...
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Data notizia: Wed, 21/12/2022 - 14:00
... method called spatial transcriptomic
in bridging the information gap on the correlation between skeletal muscle structure and gene ... consists of a
combination of transcriptomics
, a discipline that studies all messenger rnas called transcriptomes, and
... through this technique, it was possible to obtain other information of considerable importance on the spatial distribution of the enzymes responsible for the synthesis of polyamines, which appears to be
confined to a part of ... giordani, luca madaro - cell reports 2022
further information
luca madaro department of anatomical, histological, medical-legal ... a state-of-the-art method that reveals fundamental information about the musculoskeletal system ...
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Data notizia: Wed, 26/10/2022 - 15:15
... gassman 1. l'evento e promosso dall'assessorato alla scuola, formazione e lavoro di roma capitale e riguarda in particolare la presentazione ... citta educante, un catalogo di ndeg131 proposte culturali e formativeper le scuole di ogni ordine e grado, completamente gratuite, offerte ... dipartimento di lettere e culture moderne gagreta - girls for green technology applications -dipartimento di informatica, dipartimento di ingegneria informatica e gestionale a. ruberti liceo matematico- dipartimento di matematica ... diversi progetti potranno rivolgersi direttamente ai desk informativi dedicati alle 18 istituzioni culturali della mappa dove ci sara anche ...
Notizia
Data notizia: Fri, 23/09/2022 - 11:30
... onset of a heart attack.
the study highlighted that,
for reasons related to a functional disorder of the intestinal wall, ... remedies," says francesco violi, "are to be sought first and foremost in
adequate prophylaxis, favouring the mediterranean diet and ... https://doi.org/10.1038/s41569-022-00737-2
further information
francesco violi department of clinical internal, ...
Notizia
Data notizia: Mon, 05/09/2022 - 17:00
cell division is a fundamental event common to most forms of life
. in eukaryotes, the mechanisms that regulate it and most of ... involved are evolutionarily conserved and are mostly studied for their relevance to cancer research. already in 2021, patrizio dimitri's ... conserved phenomenon
that has never been described before.
the lack of these proteins causes alterations in cell division and ... https://doi.org/10.1186/s12915-022-01365-5
further information
patrizio dimitri charles darwin department of biology and ...
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Data notizia: Mon, 04/07/2022 - 12:15
... communities in their natural environment - and bioinformatics. 'this research,' concludes cristina limatola,
'highlights the ... mechanisms between brain and environment and opens the way for new interpretations of this two-way cross-talk.
references:
... https://doi.org/10.1038/s42003-022-03468-9
further information
cristina limatola vittorio erspamer department of physiology and ...
Notizia
Data notizia: Mon, 04/04/2022 - 12:00
...
the benefit of assessing sex hormones in both sexes for planning new therapeutic strategies
that also take into account the ...
. 2022 doi: 10.1007/s40618-022-01771-0
further information
roberto cangemi department of translational and precision medicine ...
Notizia
Data notizia: Fri, 18/03/2022 - 11:30
... process are extremely scarce, and, to date, interpreting information from the few locations on the african continent where this early ... from the
grandi scavi di ateneo
and the ministry of foreign affairs and international cooperation, the region has been the subject ... in the sahara - has thus provided indispensable elements for understanding the tempo and mode of the
peopling of north africa
by ... of sapienza university, first author of the paper -
reinforce the hypotheses about the early dispersal of humans and technological ... https://doi.org/10.1038/s41598-022-07816-x
further information
emanuele cancellieri department of ancient world studies ...
Notizia
Data notizia: Fri, 25/02/2022 - 12:45
... biodiversity, an animal that symbolises our continent's forests and is so ingrained in our imagination that it has become part of the ... peoples. although humans have coexisted with the wolf for thousands of years,
the evolutionary history of this iconic predator is ... fragments to establish the precise age of the find
. "before this research, the oldest fossil remains of wolves were those dated to ... and italy (polledrara di cecanibbio, of which, however, a formal description of the find is lacking)," comments raffaele sardella, who led the research team. "this new study has therefore allowed us
to identify the ponte galeria wolf as the oldest fossilised ... https://doi.org/10.1038/s41598-022-06812-5
further information
raffaele sardella department of earth sciences ...
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Data notizia: Mon, 14/06/2021 - 13:15
... inhabit only equatorial africa and indonesian islands.
"for the first time, it has been possible to study in detail the neuroanatomy of ... https://doi.org/10.1080/08912963.2021.1902999
further information
alessio iannucci department of earth sciences ...
Notizia
Data notizia: Thu, 25/03/2021 - 13:00
... and 69 years,
64% of whom are women, have been recruited for the study to date. 53.7 % of them did not present any adverse events after ...