IRIS
VARALDO, Pietro
 Distribuzione geografica
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Continente #
NA - Nord America 15.181
EU - Europa 7.482
AS - Asia 5.224
SA - Sud America 1.042
AF - Africa 297
Continente sconosciuto - Info sul continente non disponibili 246
OC - Oceania 8
Totale 29.480
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Nazione #
US - Stati Uniti d'America 14.866
RU - Federazione Russa 2.239
SG - Singapore 1.755
UA - Ucraina 1.082
VN - Vietnam 1.074
BR - Brasile 812
IT - Italia 808
SE - Svezia 769
CN - Cina 741
TR - Turchia 564
DE - Germania 560
IE - Irlanda 528
DK - Danimarca 421
HK - Hong Kong 403
FR - Francia 365
FI - Finlandia 279
GB - Regno Unito 253
KR - Corea 226
CI - Costa d'Avorio 157
CA - Canada 126
IN - India 97
MX - Messico 80
AR - Argentina 78
BD - Bangladesh 63
IQ - Iraq 51
CO - Colombia 41
ID - Indonesia 41
BE - Belgio 37
MA - Marocco 37
ZA - Sudafrica 36
JP - Giappone 33
EC - Ecuador 32
NL - Olanda 28
VE - Venezuela 28
ES - Italia 27
PK - Pakistan 26
PH - Filippine 24
CR - Costa Rica 23
UZ - Uzbekistan 22
PL - Polonia 21
PY - Paraguay 19
TN - Tunisia 19
KE - Kenya 16
SA - Arabia Saudita 16
HN - Honduras 15
LT - Lituania 15
DZ - Algeria 13
GT - Guatemala 13
JM - Giamaica 13
CL - Cile 12
TT - Trinidad e Tobago 12
AE - Emirati Arabi Uniti 11
AT - Austria 9
EU - Europa 9
MY - Malesia 9
BO - Bolivia 8
SV - El Salvador 8
AL - Albania 7
CW - ???statistics.table.value.countryCode.CW??? 7
IL - Israele 7
JO - Giordania 7
PE - Perù 7
TH - Thailandia 7
AZ - Azerbaigian 6
GP - Guadalupe 6
NI - Nicaragua 6
RS - Serbia 6
AU - Australia 5
DO - Repubblica Dominicana 5
KZ - Kazakistan 5
NG - Nigeria 5
NP - Nepal 5
PS - Palestinian Territory 5
EG - Egitto 4
ET - Etiopia 4
LB - Libano 4
OM - Oman 4
PR - Porto Rico 4
SY - Repubblica araba siriana 4
UY - Uruguay 4
BA - Bosnia-Erzegovina 3
BG - Bulgaria 3
HR - Croazia 3
LK - Sri Lanka 3
MK - Macedonia 3
NZ - Nuova Zelanda 3
PT - Portogallo 3
RO - Romania 3
BH - Bahrain 2
CG - Congo 2
CZ - Repubblica Ceca 2
GE - Georgia 2
TW - Taiwan 2
AF - Afghanistan, Repubblica islamica di 1
AM - Armenia 1
AW - Aruba 1
BW - Botswana 1
BY - Bielorussia 1
CH - Svizzera 1
CY - Cipro 1
Totale 29.235
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Città #
Dallas 3.157
Ashburn 1.732
Singapore 1.114
Jacksonville 1.073
Chandler 1.038
Fairfield 620
Boardman 544
Dublin 526
Council Bluffs 467
San Jose 458
Wilmington 402
Hong Kong 381
Ho Chi Minh City 339
Woodbridge 319
Des Moines 303
Hanoi 260
Houston 249
Seattle 249
New York 248
Ann Arbor 247
San Mateo 221
Princeton 217
Lawrence 214
Beijing 201
Lauterbourg 187
Cambridge 175
The Dalles 171
Moscow 167
Los Angeles 163
Abidjan 157
Hefei 126
San Diego 111
Milan 103
Marche 102
São Paulo 88
Santa Clara 65
Da Nang 64
Munich 56
Buffalo 55
Helsinki 52
Turin 52
Centro 50
London 48
Haiphong 47
Orem 45
Chicago 40
Mexico City 38
Brussels 36
Redmond 32
Phoenix 31
Rio de Janeiro 30
Tokyo 30
Toronto 30
Venice 30
Denver 27
Washington 27
Montreal 26
Rome 26
Chennai 25
Shanghai 25
Izmir 24
Chelsea 22
Baghdad 21
Brasília 20
Frankfurt am Main 20
Stockholm 20
Tashkent 20
Auburn Hills 19
Brooklyn 19
Atlanta 18
Norwalk 18
Manchester 17
Wuhan 17
Boston 16
Hải Dương 16
Turku 16
Warsaw 16
Belo Horizonte 15
Guangzhou 15
Jiaxing 15
Nairobi 15
Biên Hòa 13
Guarulhos 13
Miano 13
Poplar 13
Caracas 12
Civitanova Marche 12
Johannesburg 12
Naples 12
Salvador 12
San José 12
Asunción 11
Curitiba 11
Dhaka 11
Fortaleza 11
Mumbai 11
New Delhi 11
Ottawa 11
San Francisco 11
Temecula 11
Totale 17.718
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Nome #
13. Stafilococchi 2.328
14. Streptococchi. 2.291
A clone of linezolid-resistant Staphylococcus epidermidis bearing the G2576T mutation is endemic in an Italian hospital 216
Characterization of novel conjugative multiresistance plasmids carrying cfr from linezolid-resistant Staphylococcus epidermidis clinical isolates from Italy 198
Characterization of a Multiresistance Plasmid Carrying the optrA and cfr Resistance Genes From an Enterococcus faecium Clinical Isolate 193
Characterization of poxtA, a novel phenicol-oxazolidinone-tetracycline resistance gene from an MRSA of clinical origin 186
Analysis of the β-lactamase plasmid of borderline methicillin- susceptible Staphylococcus aureus: Focus on bla complex genes and cadmium resistance determinants cadD and cadX 186
Antimicrobial properties of N-carboxybutyl chitosan. 184
Prophage association of mef(A) elements encoding efflux-mediated erythromycin resistance in Streptococcus pyogenes. 179
Absolute quantitation of viremia in human immunodeficiency virus infection by competitive reverse transcription and polymerase chain reaction. 173
ELEMENTI INTEGRATIVI E CONIUGATIVI NEGLI STREPTOCOCCHI 171
A new mosaic integrative and conjugative element from Streptococcus agalactiae carrying resistance genes for chloramphenicol (catQ) and macrolides [mef(I) and erm(TR)] 167
Antibiotic resistance in foodborne Listeria. 167
Genetic basis of the association of resistance genes mef(I) (macrolides) and catQ (chloramphenicol) in streptococci 166
Genetic elements carrying erm(B) in Streptococcus pyogenes and association with tet(M) tetracycline resistance gene. 165
Activity of roxithromycin against respiratory pathogens 163
Macrolide resistance gene erm(TR) and erm(TR)-carrying genetic elements in Streptococcus agalactiae: characterization of ICESagTR7, a new composite element containing IMESp2907 163
SmaI typeability and tetracycline susceptibility/resistance in Streptococcus pyogenes isolates with efflux-mediated erythromycin resistance. 162
Composite SCCmec Element in Single-locus Variant (ST217) of Epidemic MRSA-15 Clone 162
Plasmid-mediated sulfonamide resistance in Neisseria meningitidis. 161
Characterization of Tn5801.Sag, a variant of Staphylococcus aureus Tn916 family transposon Tn5801 that is widespread in clinical isolates of Streptococcus agalactiae 161
Distribution and molecular analysis of mef(A)-containing elements in tetracycline-susceptible and -resistant Streptococcus pyogenes clinical isolates with efflux-mediated erythromycin resistance. 161
Dynamic features of human immunodeficiency virus type 1 (HIV-1) viremia: kinetics of cell-free HIV-1 RNA after therapeutic plasma exchange 159
Nonneutralizing human antibody fragments against hepatitis C virus E2 glycoprotein modulate neutralization of binding activity of human recombinant Fabs. 158
Dynamics of molecular parameters of human immunodeficiency virus type 1 activity in vivo. 156
Characterization of a Streptococcus suis tet(O/W/32/O)-carrying element transferable to major streptococcal pathogens. 156
Different genetic elements carrying the tet(W) gene in two human clinical isolates of Streptococcus suis. 155
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 155
'Borderline' susceptibility levels to antistaphylococcal activity in Staphylococcus aureus 154
Tn5253 family integrative and conjugative elements carrying mef(I) and catQ determinants in Streptococcus pneumoniae and Streptococcus pyogenes 154
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 154
An electron microscopic study of clinical and laboratory-derived strains of teicoplanin-resistant Staphylococcus haemolyticus 153
Adherence of gram-negative uropathogens to human uroepithelial cells 152
Molecular Characterization of Italian Isolates of Fluoroquinolone-Resistant Streptococcus agalactiae and Relationships with Chloramphenicol Resistance 152
An improved phage display vector for antibody repertoire cloning by construction of combinatorial libraries 151
Clonal spread of macrolide- and tetracycline-resistant [erm(A) tet(O)] emm77 Streptococcus pyogenes isolates in Italy and Norway. 148
Use of DNA fingerprinting in an epidemiologic study of outbreak-specific and non-specific strains of group C Neisseria meningitidis. 147
Development of in-vitro resistance to glycopeptide antibiotics: assessment in staphylococci of different species 147
Association between erythromycin resistance and ability to enter human respiratory cells in group A streptococci. 146
Genetic basis of tetracycline resistance in food-borne isolates of Listeria innocua. 145
ICESp1116, the genetic element responsible for erm(B)-mediated, inducible resistance to erythromycin in Streptococcus pyogenes 145
A multicenter study on central venous catheter-associated infections in Italy 144
Bilateral Acanthamoeba keratitis 143
Interactions with lectins and agglutination profiles of clinical, food, and environmental isolates of Listeria. 142
Genetic diversity of cell-invasive erythromycin-resistant and -susceptible group A streptococci determined by analysis of the RD2 region of the prtF1 gene. 142
Molecular profile of human immunodeficiency virus type 1 infection in symptomless patients and in patients with AIDS. 142
Cross-infection with Listeria monocytogenes confirmed by DNA fingerprinting. 140
A new subtraction technique for molecular cloning of rare antiviral antibody specificities from phage display libraries. 139
Phim46.1, the main Streptococcus pyogenes element carrying mef(A) and tet(O) genes. 139
CLONING AND EXPRESSION OF THE PENICILLINASE FROM A BORDERLINE METHICILLIN-SUSCEPTIBLE STAPHYLOCOCCUS AUREUS STRAIN IN ESCHERICHIA COLI. 137
Antibiotic resistance, beta-lactamase activity, and plasmid content in strains of Haemophilus and Branhamella isolated from children 137
Antistaphylococcal and antistreptococcal killing kinetics of ciprofloxacin, ofloxacin, sparfloxacin and trovafloxacin 137
Pitfalls encountered while investigating genetic elements by PCR 136
Vancomycin-resistant enterococci. 134
IN VITRO ANTIBACTERIAL ACTIVITY OF TROVAFLOXACIN AND FIVE OTHER FLUOROQUINOLONES 134
Staphylococcal Diseases. 134
Composite structure of Streptococcus pneumoniae containing the erythromycin efflux resistance gene mef(I) and the chloramphenicol resistance gene catQ 134
Heterogeneity of Tn5253-Like Composite Elements in Clinical Streptococcus pneumoniae Isolates. 134
Recurrent skin infection associated with nasal carriage of Panton-Valentine leukocidin-positive methicillin-susceptible Staphylococcus aureus closely related to the EMRSA-15 clone 134
In vitro antibacterial activity of LY333328, a new semisynthetic glycopeptide 133
In vitro conjugative transfer of VanA vancomycin resistance between Enterococci and Listeriae of different species 132
Transduction of the Streptococcus pyogenes bacteriophage Φm46.1, carrying resistance genes mef(A)and tet(O), to other Streptococcus species 132
Detection in Italy of two clinical Enterococcus faecium isolates carrying both the oxazolidinone and phenicol resistance gene optrA and a silent multiresistance gene cfr. 132
Prulifloxacin: a viewpoint. 131
Streptococcus suis meningitis without history of animal contact, Italy. 130
In vitro activity of teichomycin and vancomycin alone and in combination with rifampin. 129
Cross-reactive pseudovirus-neutralizing anti-envelope antibodies coexist with antibodies devoid of such activity in persistent hepatitis C virus infection. 129
Recovery from a single blood culture of two Enterococcus gallinarum isolates carrying both vanC-1 and vanA cluster genes and differing in glycopeptide susceptibility 129
Staphylococcus delphini sp. nov., a coagulase-positive species isolated from dolphins 129
La resistenza agli antibiotici negli stafilococchi. 128
Differentiation of resistance phenotypes among erythromycin-resistant pneumococci 128
A novel efflux system in inducibly erythromycin-resistant strains of Streptococcus pyogenes 128
Further characterization of borderline methicillin-resistant Staphylococcus aureus and analysis of penicillin-binding proteins 128
Two distinct genetic elements are responsible for erm(TR)-mediated erythromycin resistance in tetracycline-susceptible and tetracycline-resistant strains of Streptococcus pyogenes 127
Lectin reactivity and virulence among strains of Listeria monocytogenes determined in vitro using the enterocyte-like cell line Caco-2. 126
Expressed and unexpressed tet(M) genes and the erm(B)-carrying Tn1116 transposon in Streptococcus pyogenes and Streptococcus pneumoniae. 125
Antibiotic susceptibility and serotype distribution in Streptococcus pneumoniae circulating in Italy: results of the SEMPRE surveillance study (2000-2002) 125
Quantitative PCR and RT-PCR in virology. 124
Effects of fluoroquinolones on bacterial adhesion and on preformed biofilm of strains isolated from urinary double J stents. 124
Conjugative transfer of the erm(A) gene from erythromycin-resistant Streptococcus pyogenes to macrolide-susceptible S. pyogenes, Enterococcus faecalis and Listeria innocua 123
Genetic determinants and elements associated with antibiotic resistance in viridans group streptococci 123
In vitro activity of monoclonal and recombinant yeast killer toxin-like antibodies against antibiotic-resistant Gram-positive cocci. 122
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. 122
Glycopeptide susceptibility profiles of Staphylococcus haemolyticus bloodstream isolates. 122
Phosphatase activity of staphylococci is constitutive in some species and repressed by phosphates in others 122
Unconventional circularizable bacterial genetic structures carrying antibiotic resistance determinants 122
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 122
Detection of human immunodeficiency virus type 1 genomic RNA in plasma samples by reverse-transcription polymerase chain reaction. 121
erm(B)-Carrying Elements in Tetracycline-Resistant Pneumococci and Correspondence between Tn1545 and Tn6003 121
Immunity assessment in the early stages of amyotrophic lateral sclerosis: a study of virus antibodies and lymphocyte subsets. 121
Antimicrobial resistance and susceptibility testing: an evergreen topic. 120
Persistence of erythromycin-resistant group a streptococci in cultured respiratory cells. 120
Grouping of staphylococci on the basis of their bacteriolytic-activity pattern: a new pproach to the taxonomy of the Micrococcaceae. I. Identification of six different "lyogroups" 120
In vitro activities of three semisynthetic amide derivatives of teicoplanin, MDL 62208, MDL 62211, and MDL 62873. 120
Molecular characterization of clinical Streptococcus pneumoniae isolates with reduced susceptibility to fluoroquinolones emerging in Italy 119
Borderline susceptibility to methicillin in Staphylococcus aureus: a new mechanism of resistance? 119
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 119
Restriction endonuclease analysis of chromosomal DNA from Listeria monocytogenes strains 119
Effects of ß-lactamase inhibitors on Staphylococcus aureus susceptibility to penicillin G and penicillinase-resistant penicillins 118
Detection of hepatitis B virus DNA in serum using synthetic non-radioactive oligonucleotides. 118
Totale 18.574
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Categoria #
all - tutte 116.124
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 116.124
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2021/20221.129 0 0 0 104 15 121 63 93 105 154 146 328
2022/20233.111 265 253 224 299 286 582 2 187 754 22 148 89
2023/20241.493 292 41 98 258 260 242 20 23 6 35 22 196
2024/20252.877 358 274 214 59 83 40 323 102 699 166 214 345
2025/202611.617 481 1.214 2.397 913 675 623 1.428 883 1.985 612 154 252
2026/20271.928 266 360 491 811 0 0 0 0 0 0 0 0
Totale 29.480