diff --git a/DESCRIPTION b/DESCRIPTION
index b519a7d1d..6a3eba8df 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: rticles
 Type: Package
 Title: Article Formats for R Markdown
-Version: 0.20.1
+Version: 0.20.2
 Authors@R: c(
   person("JJ", "Allaire", role = "aut", email = "jj@rstudio.com"),
   person("Yihui", "Xie", role = c("aut", "cre"), email = "xie@yihui.name", comment = c(ORCID = "0000-0003-0645-5666")),
diff --git a/NEWS.md b/NEWS.md
index 11a82db8d..778c80218 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,6 +1,7 @@
 rticles 0.21
 ---------------------------------------------------------------------
 
+- `bioinformatics_article()` has no more trailing comma after last author (thanks, @stephenturner, #413).
 
 rticles 0.20
 ---------------------------------------------------------------------
diff --git a/inst/rmarkdown/templates/bioinformatics/resources/template.tex b/inst/rmarkdown/templates/bioinformatics/resources/template.tex
index 4a48f7e82..707964c7f 100644
--- a/inst/rmarkdown/templates/bioinformatics/resources/template.tex
+++ b/inst/rmarkdown/templates/bioinformatics/resources/template.tex
@@ -59,9 +59,7 @@
 \title[$title_short$]{$title_full$}
 
 \author[FirstAuthorLastName \textit{et~al}.]{
-$for(author)$
-$author.name$\,\textsuperscript{$author.affiliation$},
-$endfor$
+$for(author)$$author.name$\,\textsuperscript{$author.affiliation$}$sep$, $endfor$
 }
 
 \address{