IRIS
VARALDO, Pietro
 Distribuzione geografica
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Continente #
NA - Nord America 12.129
EU - Europa 5.266
AS - Asia 3.397
SA - Sud America 750
AF - Africa 231
Continente sconosciuto - Info sul continente non disponibili 10
OC - Oceania 7
Totale 21.790
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Nazione #
US - Stati Uniti d'America 12.021
SG - Singapore 1.254
UA - Ucraina 1.077
SE - Svezia 767
BR - Brasile 646
CN - Cina 620
IT - Italia 604
TR - Turchia 559
DE - Germania 556
RU - Federazione Russa 529
IE - Irlanda 528
DK - Danimarca 421
HK - Hong Kong 357
FI - Finlandia 252
GB - Regno Unito 221
KR - Corea 221
VN - Vietnam 207
FR - Francia 170
CI - Costa d'Avorio 158
CA - Canada 49
AR - Argentina 47
MX - Messico 47
IN - India 40
BE - Belgio 36
ID - Indonesia 24
BD - Bangladesh 23
MA - Marocco 23
ES - Italia 21
JP - Giappone 21
NL - Olanda 21
ZA - Sudafrica 21
PL - Polonia 17
CO - Colombia 15
IQ - Iraq 14
EC - Ecuador 12
LT - Lituania 11
PY - Paraguay 11
KE - Kenya 10
TN - Tunisia 10
AT - Austria 9
EU - Europa 9
VE - Venezuela 9
AE - Emirati Arabi Uniti 7
PK - Pakistan 7
SA - Arabia Saudita 7
UZ - Uzbekistan 6
AU - Australia 4
CL - Cile 4
IL - Israele 4
NP - Nepal 4
RO - Romania 4
RS - Serbia 4
AZ - Azerbaigian 3
BO - Bolivia 3
CR - Costa Rica 3
HN - Honduras 3
HR - Croazia 3
KZ - Kazakistan 3
MK - Macedonia 3
NZ - Nuova Zelanda 3
TT - Trinidad e Tobago 3
AL - Albania 2
BG - Bulgaria 2
BH - Bahrain 2
CM - Camerun 2
JM - Giamaica 2
JO - Giordania 2
LK - Sri Lanka 2
NG - Nigeria 2
PE - Perù 2
PT - Portogallo 2
A1 - Anonimo 1
AF - Afghanistan, Repubblica islamica di 1
AM - Armenia 1
BW - Botswana 1
BY - Bielorussia 1
CG - Congo 1
CH - Svizzera 1
CZ - Repubblica Ceca 1
DO - Repubblica Dominicana 1
EG - Egitto 1
GA - Gabon 1
GE - Georgia 1
GY - Guiana 1
KH - Cambogia 1
LB - Libano 1
ML - Mali 1
MT - Malta 1
MY - Malesia 1
NO - Norvegia 1
PH - Filippine 1
PS - Palestinian Territory 1
SK - Slovacchia (Repubblica Slovacca) 1
SY - Repubblica araba siriana 1
TH - Thailandia 1
Totale 21.790
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Città #
Dallas 3.185
Jacksonville 1.075
Chandler 1.047
Ashburn 775
Singapore 714
Fairfield 625
Boardman 547
Dublin 526
Wilmington 402
Hong Kong 351
Woodbridge 318
Des Moines 302
Ann Arbor 259
Houston 249
Seattle 246
San Mateo 222
New York 220
Lawrence 215
Princeton 215
Cambridge 177
Beijing 159
Abidjan 158
Los Angeles 128
Moscow 128
Hefei 125
San Diego 108
Marche 104
Ho Chi Minh City 78
São Paulo 63
Milan 61
Munich 61
The Dalles 60
Centro 58
Buffalo 46
London 45
Turin 44
Redmond 42
Brussels 35
Hanoi 35
Chicago 29
Mexico City 28
Venice 28
Washington 25
Izmir 24
Rio de Janeiro 24
Santa Clara 23
Shanghai 23
Helsinki 22
Tokyo 20
Auburn Hills 19
Denver 19
Turku 19
Norwalk 18
Guangzhou 16
Wuhan 16
Jiaxing 15
Stockholm 15
Boston 14
Brasília 14
Chennai 14
Haiphong 14
Belo Horizonte 12
Montreal 12
Orem 12
Warsaw 12
Civitanova Marche 11
Curitiba 11
Frankfurt am Main 11
Rome 11
Salvador 11
Toronto 11
Brooklyn 10
Guarulhos 10
Johannesburg 10
Phoenix 10
Atlanta 9
Bologna 9
Da Nang 9
Montréal 9
Nairobi 9
Poplar 9
Ancona 8
Asunción 8
Campinas 8
Fortaleza 8
Kazan' 8
Manaus 8
Manchester 8
Salt Lake City 8
Shenzhen 8
Ankara 7
Dhaka 7
Hải Dương 7
Kilburn 7
Ottawa 7
Porto Alegre 7
Santo André 7
Seoul 7
Sterling 7
Baghdad 6
Totale 13.996
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Nome #
13. Stafilococchi 1.630
14. Streptococchi. 1.582
Antimicrobial Resistance: A Challenge for the Future 263
A clone of linezolid-resistant Staphylococcus epidermidis bearing the G2576T mutation is endemic in an Italian hospital 171
Characterization of novel conjugative multiresistance plasmids carrying cfr from linezolid-resistant Staphylococcus epidermidis clinical isolates from Italy 162
Characterization of a Multiresistance Plasmid Carrying the optrA and cfr Resistance Genes From an Enterococcus faecium Clinical Isolate 151
Antimicrobial properties of N-carboxybutyl chitosan. 148
Characterization of poxtA, a novel phenicol-oxazolidinone-tetracycline resistance gene from an MRSA of clinical origin 144
ELEMENTI INTEGRATIVI E CONIUGATIVI NEGLI STREPTOCOCCHI 142
Absolute quantitation of viremia in human immunodeficiency virus infection by competitive reverse transcription and polymerase chain reaction. 140
Prophage association of mef(A) elements encoding efflux-mediated erythromycin resistance in Streptococcus pyogenes. 140
Analysis of the β-lactamase plasmid of borderline methicillin- susceptible Staphylococcus aureus: Focus on bla complex genes and cadmium resistance determinants cadD and cadX 138
Genetic basis of the association of resistance genes mef(I) (macrolides) and catQ (chloramphenicol) in streptococci 133
Plasmid-mediated sulfonamide resistance in Neisseria meningitidis. 130
Macrolide resistance gene erm(TR) and erm(TR)-carrying genetic elements in Streptococcus agalactiae: characterization of ICESagTR7, a new composite element containing IMESp2907 130
Genetic elements carrying erm(B) in Streptococcus pyogenes and association with tet(M) tetracycline resistance gene. 129
A new mosaic integrative and conjugative element from Streptococcus agalactiae carrying resistance genes for chloramphenicol (catQ) and macrolides [mef(I) and erm(TR)] 129
Antibiotic resistance in foodborne Listeria. 127
Nonneutralizing human antibody fragments against hepatitis C virus E2 glycoprotein modulate neutralization of binding activity of human recombinant Fabs. 126
Composite SCCmec Element in Single-locus Variant (ST217) of Epidemic MRSA-15 Clone 126
Characterization of Tn5801.Sag, a variant of Staphylococcus aureus Tn916 family transposon Tn5801 that is widespread in clinical isolates of Streptococcus agalactiae 123
Dynamic features of human immunodeficiency virus type 1 (HIV-1) viremia: kinetics of cell-free HIV-1 RNA after therapeutic plasma exchange 121
Spread of colistin resistance gene mcr-1 in Italy: characterization of the mcr-1.2 allelic variant in a colistin-resistant blood isolate of Escherichia coli 121
Use of DNA fingerprinting in an epidemiologic study of outbreak-specific and non-specific strains of group C Neisseria meningitidis. 120
SmaI typeability and tetracycline susceptibility/resistance in Streptococcus pyogenes isolates with efflux-mediated erythromycin resistance. 120
Association between erythromycin resistance and ability to enter human respiratory cells in group A streptococci. 118
Molecular Characterization of Italian Isolates of Fluoroquinolone-Resistant Streptococcus agalactiae and Relationships with Chloramphenicol Resistance 118
Distribution and molecular analysis of mef(A)-containing elements in tetracycline-susceptible and -resistant Streptococcus pyogenes clinical isolates with efflux-mediated erythromycin resistance. 118
Streptococcus pneumoniae Transposon Tn1545/Tn6003 Changes to Tn6002 Due to Spontaneous Excision in Circular Form of the erm(B)-and aphA3-Containing Macrolide-Aminoglycoside-Streptothricin (MAS) Element 118
Interactions with lectins and agglutination profiles of clinical, food, and environmental isolates of Listeria. 116
Different genetic elements carrying the tet(W) gene in two human clinical isolates of Streptococcus suis. 116
Bilateral Acanthamoeba keratitis 116
'Borderline' susceptibility levels to antistaphylococcal activity in Staphylococcus aureus 115
Adherence of gram-negative uropathogens to human uroepithelial cells 114
Tn5253 family integrative and conjugative elements carrying mef(I) and catQ determinants in Streptococcus pneumoniae and Streptococcus pyogenes 114
An improved phage display vector for antibody repertoire cloning by construction of combinatorial libraries 114
Clonal spread of macrolide- and tetracycline-resistant [erm(A) tet(O)] emm77 Streptococcus pyogenes isolates in Italy and Norway. 113
An electron microscopic study of clinical and laboratory-derived strains of teicoplanin-resistant Staphylococcus haemolyticus 113
Activity of roxithromycin against respiratory pathogens 113
Pitfalls encountered while investigating genetic elements by PCR 113
ICESp1116, the genetic element responsible for erm(B)-mediated, inducible resistance to erythromycin in Streptococcus pyogenes 112
A new subtraction technique for molecular cloning of rare antiviral antibody specificities from phage display libraries. 111
IN VITRO ANTIBACTERIAL ACTIVITY OF TROVAFLOXACIN AND FIVE OTHER FLUOROQUINOLONES 110
Genetic basis of tetracycline resistance in food-borne isolates of Listeria innocua. 109
Dynamics of molecular parameters of human immunodeficiency virus type 1 activity in vivo. 109
Characterization of a Streptococcus suis tet(O/W/32/O)-carrying element transferable to major streptococcal pathogens. 109
A multicenter study on central venous catheter-associated infections in Italy 108
CLONING AND EXPRESSION OF THE PENICILLINASE FROM A BORDERLINE METHICILLIN-SUSCEPTIBLE STAPHYLOCOCCUS AUREUS STRAIN IN ESCHERICHIA COLI. 107
In vitro antibacterial activity of LY333328, a new semisynthetic glycopeptide 107
Molecular profile of human immunodeficiency virus type 1 infection in symptomless patients and in patients with AIDS. 107
Cross-infection with Listeria monocytogenes confirmed by DNA fingerprinting. 107
Staphylococcal Diseases. 106
Antistaphylococcal and antistreptococcal killing kinetics of ciprofloxacin, ofloxacin, sparfloxacin and trovafloxacin 106
Development of in-vitro resistance to glycopeptide antibiotics: assessment in staphylococci of different species 106
Recovery from a single blood culture of two Enterococcus gallinarum isolates carrying both vanC-1 and vanA cluster genes and differing in glycopeptide susceptibility 105
Prulifloxacin: a viewpoint. 104
Heterogeneity of Tn5253-Like Composite Elements in Clinical Streptococcus pneumoniae Isolates. 104
Streptococcus suis meningitis without history of animal contact, Italy. 103
Genetic diversity of cell-invasive erythromycin-resistant and -susceptible group A streptococci determined by analysis of the RD2 region of the prtF1 gene. 103
La resistenza agli antibiotici negli stafilococchi. 102
Antibiotic resistance, beta-lactamase activity, and plasmid content in strains of Haemophilus and Branhamella isolated from children 101
ICESp1116, the genetic element responsible for erm(B)-mediated, inducible erythromycin resistance in Streptococcus pyogenes, belongs to the TnGBS family of integrative and conjugative elements 101
Detection in Italy of two clinical Enterococcus faecium isolates carrying both the oxazolidinone and phenicol resistance gene optrA and a silent multiresistance gene cfr. 101
A novel efflux system in inducibly erythromycin-resistant strains of Streptococcus pyogenes 101
Vancomycin-resistant enterococci. 100
Differentiation of resistance phenotypes among erythromycin-resistant pneumococci 100
Genetic determinants and elements associated with antibiotic resistance in viridans group streptococci 100
Unconventional circularizable bacterial genetic structures carrying antibiotic resistance determinants 98
In vitro activities of three semisynthetic amide derivatives of teicoplanin, MDL 62208, MDL 62211, and MDL 62873. 98
Lectin reactivity and virulence among strains of Listeria monocytogenes determined in vitro using the enterocyte-like cell line Caco-2. 98
Effects of fluoroquinolones on bacterial adhesion and on preformed biofilm of strains isolated from urinary double J stents. 97
Persistence of erythromycin-resistant group a streptococci in cultured respiratory cells. 97
Recurrent skin infection associated with nasal carriage of Panton-Valentine leukocidin-positive methicillin-susceptible Staphylococcus aureus closely related to the EMRSA-15 clone 97
In vitro activity of teichomycin and vancomycin alone and in combination with rifampin. 96
Composite structure of Streptococcus pneumoniae containing the erythromycin efflux resistance gene mef(I) and the chloramphenicol resistance gene catQ 96
Transduction of the Streptococcus pyogenes bacteriophage Φm46.1, carrying resistance genes mef(A)and tet(O), to other Streptococcus species 96
Two distinct genetic elements are responsible for erm(TR)-mediated erythromycin resistance in tetracycline-susceptible and tetracycline-resistant strains of Streptococcus pyogenes 95
Detection of human immunodeficiency virus type 1 genomic RNA in plasma samples by reverse-transcription polymerase chain reaction. 94
In vitro conjugative transfer of VanA vancomycin resistance between Enterococci and Listeriae of different species 94
Further characterization of borderline methicillin-resistant Staphylococcus aureus and analysis of penicillin-binding proteins 94
Expressed and unexpressed tet(M) genes and the erm(B)-carrying Tn1116 transposon in Streptococcus pyogenes and Streptococcus pneumoniae. 93
Genotypic characterization of a nosocomial outbreak of vanA Enterococcus faecalis. 93
Caratterizzazione di ΦSSUD.1, un nuovo elemento che veicola geni di resistenza ad antibiotici [tet(W), erm(B), aadE, sat4, aphA] ed a sali di metalli pesanti [cadc/cada] in Streptococcus suis 91
Phosphatase activity of staphylococci is constitutive in some species and repressed by phosphates in others 91
In vitro activity of monoclonal and recombinant yeast killer toxin-like antibodies against antibiotic-resistant Gram-positive cocci. 89
Inhibitory activity by barley coffee components towards Streptococcus mutans biofilm. 89
Molecular characterization of clinical Streptococcus pneumoniae isolates with reduced susceptibility to fluoroquinolones emerging in Italy 89
Diverging effects of human recombinant anti-hepatitis C virus (HCV) antibody fragments derived from a single patient on the infectivity of a vesicular stomatitis virus/HCV pseudotype. 88
Glycopeptide resistance in coagulase-negative staphylococci. 88
Detection of hepatitis B virus DNA in serum using synthetic non-radioactive oligonucleotides. 88
Effects of ß-lactamase inhibitors on Staphylococcus aureus susceptibility to penicillin G and penicillinase-resistant penicillins 87
Conjugative transfer of the erm(A) gene from erythromycin-resistant Streptococcus pyogenes to macrolide-susceptible S. pyogenes, Enterococcus faecalis and Listeria innocua 87
Antimicrobial resistance and susceptibility testing: an evergreen topic. 86
Quantitative PCR and RT-PCR in virology. 86
Glycopeptide susceptibility profiles of Staphylococcus haemolyticus bloodstream isolates. 86
Immunity assessment in the early stages of amyotrophic lateral sclerosis: a study of virus antibodies and lymphocyte subsets. 86
Staphylococcus delphini sp. nov., a coagulase-positive species isolated from dolphins 86
Transferable erythromycin resistance in Listeria spp. isolated from food. 85
Restriction endonuclease analysis of chromosomal DNA from Listeria monocytogenes strains 85
Borderline methicillin susceptible Staphylococcus aureus strains have more in common than reduced susceptibility to penicillinase-resistant penicillins. 85
Totale 14.022
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Categoria #
all - tutte 95.356
article - articoli 0
book - libri 0
conference - conferenze 0
curatela - curatele 0
other - altro 0
patent - brevetti 0
selected - selezionate 0
volume - volumi 0
Totale 95.356
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2020/20211.747 0 0 0 0 0 138 294 172 366 269 347 161
2021/20221.616 78 385 12 105 15 122 68 93 105 156 147 330
2022/20233.143 268 257 227 303 288 583 4 189 759 22 151 92
2023/20241.524 295 41 99 259 262 249 21 23 11 36 27 201
2024/20252.915 360 276 216 60 83 42 325 106 701 171 220 355
2025/20265.897 494 1.227 2.430 921 680 145 0 0 0 0 0 0
Totale 22.023